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63 commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
unknown
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7b19ba34fc |
Pagecache callbacks support added.
Page CRC check based on pagecache support added. Loghandler pagecache callbacks support added. Loghandler filecache rewritten. Support of deletting all logs added. storage/maria/Makefile.am: New file with functions for CRC calculation. storage/maria/ma_bitmap.c: Page CRC support. storage/maria/ma_blockrec.c: Removed code replaced by pagecache callbacks. storage/maria/ma_check.c: Page CRC support. storage/maria/ma_create.c: Page CRC support. storage/maria/ma_loghandler.c: Pagecache callbacks support. New file cache support. Removing log files support. storage/maria/ma_loghandler.h: CRC_LENGTH replaced with CRC_SIZE storage/maria/ma_open.c: Page CRC support. storage/maria/ma_page.c: Page CRC support. storage/maria/ma_pagecache.c: Pagecache callbacks support. storage/maria/ma_pagecache.h: Pagecache callbacks support. storage/maria/ma_panic.c: Page CRC support. storage/maria/maria_chk.c: Page CRC support. storage/maria/maria_def.h: Page CRC support. storage/maria/unittest/Makefile.am: New test of removing logs. storage/maria/unittest/ma_maria_log_cleanup.c: Memory leack fixed. storage/maria/unittest/ma_pagecache_consist.c: Pagecache callbacks support. storage/maria/unittest/ma_pagecache_single.c: Pagecache callbacks support. storage/maria/unittest/ma_test_loghandler-t.c: Fixed the test error processing. storage/maria/unittest/ma_test_loghandler_first_lsn-t.c: Fixed the test error processing. storage/maria/unittest/ma_test_loghandler_max_lsn-t.c: Fixed the test error processing. storage/maria/unittest/ma_test_loghandler_multigroup-t.c: Fixed the test error processing. storage/maria/unittest/ma_test_loghandler_multithread-t.c: Fixed the test error processing. storage/maria/unittest/ma_test_loghandler_noflush-t.c: Fixed the test error processing. storage/maria/unittest/ma_test_loghandler_pagecache-t.c: Pagecache callbacks support. storage/maria/unittest/ma_test_loghandler_purge-t.c: Fixed the test error processing. storage/maria/unittest/test_file.c: Removed unneeded sync. |
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unknown
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2f6f08ed88 |
Added MARIA_SHARE *share to a lot of places to make code simpler
Changed info->s -> share to get more efficent code Updated arguments to page accessor functions to use MARIA_SHARE * instead of MARIA_HA *. Tested running tests in quick mode (no balance page on insert and only when critical on delete) Fixed bug in underflow handling in quick mode Fixed bug in log handler where it accessed not initialized variable Fixed bug in log handler where it didn't free mutex in unlikely error condition Removed double write of page in case of of some underflow conditions Added DBUG_PRINT in safemutex lock/unlock dbug/dbug.c: Compile without SAFE_MUTEX (to be able to use DBUG_PRINT in safe_mutex code) Use calls to get/set my_thread_var->dbug. (Make dbug independent of compile time options for mysys) include/my_pthread.h: Added prototypes for my_thread_var_get_dbug() & my_thread_var_set_dbug() mysql-test/lib/mtr_report.pl: Don't check warnings in log files if we are using --extern mysys/my_thr_init.c: Added my_thread_var_get_dbug() & my_thread_var_set_dbug() mysys/thr_mutex.c: Added DBUG printing of addresses to mutex for lock/unlock storage/maria/ma_blockrec.c: Fixed comment storage/maria/ma_check.c: Added MARIA_SHARE *share to a lot of places to make code simpler info->s -> share Updated arguments to page accessor functions storage/maria/ma_close.c: Indentation fixes storage/maria/ma_create.c: Calculate min_key_length correctly storage/maria/ma_dbug.c: Indentation fixes storage/maria/ma_delete.c: Added MARIA_SHARE *share to a lot of places to make code simpler info->s -> share Updated arguments to page accessor functions Removed some writing of key pages that underflow (will be written by caller) Fixed crashing bug in underflow handling when using quick mode storage/maria/ma_delete_all.c: Indentation fixes storage/maria/ma_dynrec.c: Indentation fixes storage/maria/ma_extra.c: Fixed indentation Removed old useless code Reset share->changed if we have written state storage/maria/ma_ft_update.c: Added MARIA_SHARE *share to a lot of places to make code simpler info->s -> share Updated arguments to page accessor functions storage/maria/ma_info.c: Indentation fixes storage/maria/ma_key_recover.c: Added MARIA_SHARE *share to a lot of places to make code simpler info->s -> share Updated arguments to page accessor functions storage/maria/ma_locking.c: Indentation fixes storage/maria/ma_loghandler.c: Removed wrapper functions translog_mutex_lock and translog_mutex_unlock (safemutex now does same kind of printing) Renamed LOGREC_REDO_INSERT_ROW_BLOB to LOGREC_REDO_INSERT_NOT_USED to mark it free Fixed some DBUG_PRINT to ensure that convert-dbug-for-diff works Fixed bug in translog_flush() that caused log to stop syncing to disk Added missing mutex_unlock in case of error storage/maria/ma_loghandler.h: Renamed LOGREC_REDO_INSERT_ROW_BLOB to LOGREC_REDO_INSERT_NOT_USED to mark it free storage/maria/ma_open.c: Indentation fixes storage/maria/ma_packrec.c: Indentation fixes storage/maria/ma_page.c: Added MARIA_SHARE *share to a lot of places to make code simpler info->s -> share Updated arguments to page accessor functions Added check that we never write a key page without content (except in recovery where a key page may temporary be without content) storage/maria/ma_preload.c: Updated arguments to page accessor functions storage/maria/ma_range.c: Updated arguments to page accessor functions storage/maria/ma_rkey.c: Indentation fixes storage/maria/ma_rprev.c: Indentation fixes storage/maria/ma_rt_index.c: Added MARIA_SHARE *share to a lot of places to make code simpler info->s -> share Updated arguments to page accessor functions storage/maria/ma_rt_index.h: Updated arguments to page accessor functions storage/maria/ma_rt_key.c: Added MARIA_SHARE *share to a lot of places to make code simpler info->s -> share Updated arguments to page accessor functions storage/maria/ma_rt_mbr.c: Added MARIA_SHARE *share to a lot of places to make code simpler info->s -> share Updated arguments to page accessor functions storage/maria/ma_rt_split.c: Added MARIA_SHARE *share to a lot of places to make code simpler info->s -> share Updated arguments to page accessor functions storage/maria/ma_search.c: Added MARIA_SHARE *share to a lot of places to make code simpler info->s -> share Updated arguments to page accessor functions storage/maria/ma_sort.c: Indentation fixes storage/maria/ma_statrec.c: Indentation fixes storage/maria/ma_test1.c: Added extra undo test Flush also keys in -u1, to ensure that the full log is flushed storage/maria/ma_test2.c: Added extra undo test Flush also keys in -u1, to ensure that the full log is flushed storage/maria/ma_test_recovery.expected: Updated results storage/maria/ma_test_recovery: Added extra undo test storage/maria/ma_update.c: Indentation fixes storage/maria/ma_write.c: Added MARIA_SHARE *share to a lot of places to make code simpler info->s -> share Updated arguments to page accessor functions Prepare for quick mode for insert (don't balance page) storage/maria/maria_chk.c: Added MARIA_SHARE *share to a lot of places to make code simpler info->s -> share Updated arguments to page accessor functions storage/maria/maria_def.h: Updated arguments to page accessor functions |
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unknown
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ebf7ab7bce |
Added error HA_ERR_FILE_TOO_SHORT to be used when files are shorter than expected (by my_read/my_pread)
Added debugger hook _my_dbug_put_break_here() that is called if we get a CRC that matches --debug-crc-break (my_crc_dbug_break) Fixed REDO_REPAIR to use all repair modes (repair, repair_by_sort, repair_paralell REDO_REPAIR now also logs used key map Fixed some bugs in REDO logging of key pages Better error messages from maria_read_log Added my_readwrite_flags to init_pagecache() to be able to get better error messages and simplify code. Don't allow pagecaches with less than 8 blocks (Causes strange crashes) Added EXTRA_DEBUG_KEY_CHANGES. When this is defined some REDO_INDEX entries contains page checksums (these are calculated and checked in DBUG mode, ignored otherwise) Fixed bug in ma_pagecache unit tests that caused program to sometimes fail Added some missing calls to MY_INIT() that caused some unit tests to fail Fixed that TRUNCATE works properly on temporary MyISAM files Updates some result files to new table checksums results (checksum when NULL fields are ignored) perl test-insert can be replayed with maria_read_log! sql/share/Makefile.am: Change mode to -rw-rw-r-- BitKeeper/etc/ignore: added storage/maria/unittest/page_cache_test_file_1 storage/maria/unittest/pagecache_debug.log include/maria.h: Added maria_tmpdir include/my_base.h: Added error HA_ERR_FILE_TOO_SHORT include/my_sys.h: Added variable my_crc_dbug_check Added function my_dbug_put_break_here() include/myisamchk.h: Added org_key_map (Needed for writing REDO record for REPAIR) mysql-test/r/innodb.result: Updated to new checksum algorithm (NULL ignored) mysql-test/r/mix2_myisam.result: Updated to new checksum algorithm (NULL ignored) mysql-test/r/myisam.result: Updated to new checksum algorithm (NULL ignored) mysql-test/t/myisam.test: Added used table mysys/checksum.c: Added DBUG for checksum results Added debugger hook so that _my_dbug_put_break_here() is called if we get matching CRC mysys/lf_alloc-pin.c: Fixed compiler warning mysys/my_handler.c: Added new error message mysys/my_init.c: If my_progname is not given, use 'unknown' form my_progname_short Added debugger function my_debug_put_break_here() mysys/my_pread.c: In case of too short file when MY_NABP or MY_FNABP is specified, give error HA_ERR_FILE_TO_SHORT mysys/my_read.c: In case of too short file when MY_NABP or MY_FNABP is specified, give error HA_ERR_FILE_TO_SHORT sql/mysqld.cc: Added debug option --debug-crc-break sql/sql_parse.cc: Trivial optimization storage/maria/ha_maria.cc: Renamed variable to be more logical Ensure that param.testflag is correct when calling repair Added extra argument to init_pagecache Set default value for maria_tempdir storage/maria/ma_blockrec.c: Test for HA_ERR_FILE_TOO_SHORT instead for -1 storage/maria/ma_cache.c: Test for HA_ERR_FILE_TOO_SHORT instead for -1 storage/maria/ma_check.c: Set param->testflag to match how repair is run (needed for REDO logging) Simple optimization Moved flag if page is node from pagelength to keypage-flag byte Log used key map in REDO log. storage/maria/ma_delete.c: Remember previous UNDO entry when writing undo (for future CLR records) Moved flag if page is node from pagelength to keypage-flag byte Fixed some bugs in redo logging Added CRC for some translog REDO_INDEX entries storage/maria/ma_dynrec.c: Test for HA_ERR_FILE_TOO_SHORT instead for -1 storage/maria/ma_ft_update.c: Fixed call to _ma_store_page_used() storage/maria/ma_key_recover.c: Added CRC for some translog REDO_INDEX entries Removed not needed pagecache_write() in _ma_apply_redo_index() storage/maria/ma_locking.c: Test for HA_ERR_FILE_TOO_SHORT instead for -1 storage/maria/ma_loghandler.c: Added used key map to REDO_REPAIR_TABLE storage/maria/ma_loghandler.h: Added operation for checksum of key pages storage/maria/ma_open.c: Allocate storage for undo lsn pointers storage/maria/ma_pagecache.c: Remove not needed include file Change logging to use fd: for file descritors as other code Added my_readwrite_flags to init_pagecache() to be able to get better error messages for maria_chk/maria_read_log Don't allow pagecaches with less than 8 blocks Remove wrong DBUG_ASSERT() storage/maria/ma_pagecache.h: Added readwrite_flags storage/maria/ma_recovery.c: Better error messages for maria_read_log: - Added eprint() for printing error messages - Print extra \n before error message if we are printing %0 %10 ... Added used key_map to REDO_REPAIR log entry More DBUG Call same repair method that was used by mysqld storage/maria/ma_rt_index.c: Moved flag if page is node from pagelength to keypage-flag byte storage/maria/ma_rt_key.c: Fixed call to _ma_store_page_used() storage/maria/ma_rt_split.c: Moved flag if page is node from pagelength to keypage-flag byte storage/maria/ma_static.c: Added maria_tmpdir storage/maria/ma_test1.c: Updated call to init_pagecache() storage/maria/ma_test2.c: Updated call to init_pagecache() storage/maria/ma_test3.c: Updated call to init_pagecache() storage/maria/ma_write.c: Removed #ifdef NOT_YET Moved flag if page is node from pagelength to keypage-flag byte Fixed bug in _ma_log_del_prefix() storage/maria/maria_chk.c: Fixed wrong min limit for page_buffer_size Updated call to init_pagecache() storage/maria/maria_def.h: Added EXTRA_DEBUG_KEY_CHANGES. When this is defined some REDO_INDEX entries contains page checksums Moved flag if page is node from pagelength to keypage-flag byte storage/maria/maria_ftdump.c: Updated call to init_pagecache() storage/maria/maria_pack.c: Updated call to init_pagecache() Reset share->state.create_rename_lsn & share->state.is_of_horizon storage/maria/maria_read_log.c: Better error messages Added --tmpdir option (needed to set temporary directory for REDO_REPAIR) Added --start-from-lsn Changed option for --display-only to 'd' (wanted to use -o for 'offset') storage/maria/unittest/lockman2-t.c: Added missing call to MY_INIT() storage/maria/unittest/ma_pagecache_consist.c: Updated call to init_pagecache() storage/maria/unittest/ma_pagecache_single.c: Fixed bug that caused program to sometimes fail Added some DBUG_ASSERTS() Changed some calls to malloc()/free() to my_malloc()/my_free() Create extra file to expose original hard-to-find bug storage/maria/unittest/ma_test_loghandler-t.c: Updated call to init_pagecache() storage/maria/unittest/ma_test_loghandler_first_lsn-t.c: Updated call to init_pagecache() storage/maria/unittest/ma_test_loghandler_max_lsn-t.c: Updated call to init_pagecache() storage/maria/unittest/ma_test_loghandler_multigroup-t.c: Updated call to init_pagecache() storage/maria/unittest/ma_test_loghandler_multithread-t.c: Updated call to init_pagecache() storage/maria/unittest/ma_test_loghandler_noflush-t.c: Updated call to init_pagecache() storage/maria/unittest/ma_test_loghandler_pagecache-t.c: Updated call to init_pagecache() storage/maria/unittest/ma_test_loghandler_purge-t.c: Updated call to init_pagecache() storage/maria/unittest/test_file.c: Changed malloc()/free() to my_malloc()/my_free() Fixed memory leak Changd logic a bit while trying to find bug in reset_file() storage/maria/unittest/trnman-t.c: Added missing call to MY_INIT() storage/myisam/mi_cache.c: Test for HA_ERR_FILE_TOO_SHORT instead for -1 storage/myisam/mi_create.c: Removed O_EXCL to get TRUNCATE to work for temporary files storage/myisam/mi_dynrec.c: Test for HA_ERR_FILE_TOO_SHORT instead for -1 storage/myisam/mi_locking.c: Test for HA_ERR_FILE_TOO_SHORT instead for -1 mysql-test/r/old-mode.result: New BitKeeper file ``mysql-test/r/old-mode.result'' mysql-test/t/old-mode-master.opt: New BitKeeper file ``mysql-test/t/old-mode-master.opt'' mysql-test/t/old-mode.test: New BitKeeper file ``mysql-test/t/old-mode.test'' |
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unknown
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4e0964cb04 |
Fixed repair_by_sort to work with BLOCK_RECORD
Fixed bugs in undo logging
Fixed bug where head block was split before min_row_length (caused Maria to believe row was crashed on read)
Reserved place for reference-transid on key pages (for packing of transids)
ALTER TABLE and INSERT ... SELECT now uses fast creation of index
Known bugs:
ma_test_recovery fails because of a bug in redo handling when log is cut directly after a redo (Guilhem knows how to fix)
ma_test_recovery.excepted is not totally correct, because of the above bug
mysqld sometimes fails to restart; Fails with error "end_of_redo_phase: Assertion `long_trid != 0' failed"; Guilhem to investigate
include/maria.h:
Prototype changes
Added current_filepos to st_maria_sort_info
mysql-test/r/maria.result:
Updated results that changes as alter table and insert ... select now uses fast creation of index
mysys/mf_iocache.c:
Reset variable to gurard against double invocation
storage/maria/ma_bitmap.c:
Added _ma_bitmap_reset_cache() (needed for repair)
storage/maria/ma_blockrec.c:
Simplify code
More initial allocations
Fixed bug where head block was split before min_row_length (caused Maria to believe row was crashed on read)
storage/maria/ma_blockrec.h:
Moved TRANSID_SIZE to maria_def.h
Added prototype for new functions
storage/maria/ma_check.c:
Simplicy code
Fixed repair_by_sort to work with BLOCK_RECORD
- When using BLOCK_RECORD or UNPACK create new Maria handle
- Use common initializer function
- Align code with maria_repair()
Made some changes to maria_repair_parallel() to use common initializer function
Removed ASK_MONTY section by fixing noted problem
storage/maria/ma_close.c:
Moved check for readonly to _ma_state_info_write()
storage/maria/ma_key_recover.c:
Use different log entries if key root changes or not.
This fixed some bugs when tree grows
storage/maria/ma_key_recover.h:
Added keynr to st_msg_to_write_hook_for_undo_key
storage/maria/ma_loghandler.c:
Added INIT_LOGREC_UNDO_KEY_INSERT_WITH_ROOT
storage/maria/ma_loghandler.h:
Added INIT_LOGREC_UNDO_KEY_INSERT_WITH_ROOT
storage/maria/ma_open.c:
Added TRANSID to all key pages (for future compressing of trans id's)
For compressed records, alloc a bit bigger buffer to avoid valgrind warnings
If table is opened readonly, don't update state
storage/maria/ma_packrec.c:
Allocate bigger array for bit unpacking to avoid valgrind errors
storage/maria/ma_recovery.c:
Added UNDO_KEY_INSERT_WITH_ROOT & UNDO_KEY_DELETE_WITH_ROOT
storage/maria/ma_sort.c:
More logging
storage/maria/ma_test_all.sh:
More tests
storage/maria/ma_test_recovery.expected:
Update results
Note that this is not complete becasue of a bug in recovery
storage/maria/ma_test_recovery:
Removed recreation of index (not needed when we have redo for index pages)
storage/maria/maria_chk.c:
When using flag --read-only, don't update status for files
When using --unpack, don't use REPAIR_BY_SORT if other repair option is given
Enable repair_by_sort for BLOCK records
Removed not needed newline at start of --describe
storage/maria/maria_def.h:
Support for TRANSID_SIZE to key pages
storage/maria/maria_read_log.c:
renamed --only-display to --display-only
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unknown
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6b3743f0aa |
Fixes for redo/undo logging of key pages
New extendable format for maria_log_control file Fixed some compiler warnings include/maria.h: Added maria_disable_logging() and maria_enable_logging() mysql-test/include/maria_verify_recovery.inc: Updated tests now when key redo/undo works mysql-test/r/maria-recovery.result: Updated tests now when key redo/undo works storage/maria/ma_blockrec.c: Use unified CLR code Added rec_lsn for full pages Moved clr write hook to ma_key_recover.c Changed REDO code to keep pages pinned until undo Mark page_link's as changed storage/maria/ma_blockrec.h: Moved write_hook_for_clr_end() to ma_key_recover.c storage/maria/ma_check.c: Changed key check code to use PAGECACHE_READ_UNKNOWN_PAGE Fixed wrong warning when checking files after maria_pack When unpacking files, we have to use new keypos_to_recpos method When doing repair, we can disregard index key file pages in page cache storage/maria/ma_commit.c: Added simple enable/disable logging functions (Needed for recovery) storage/maria/ma_control_file.c: Make maria control file extendable without having to make it incompatible for older versions storage/maria/ma_control_file.h: New error messages Added CONTROL_FILE_VERSION storage/maria/ma_delete.c: Added redo/undo for key pages change_length -> changed_length to make things similar More comments & more DBUG storage/maria/ma_key_recover.c: Unified CLR method Moved here write_hook_for_clr_end() and common keypage log functions Changed REDO to keep pages pinned until undo Changed UNDO code to change key_root under log mutex storage/maria/ma_key_recover.h: New structures and functions storage/maria/ma_loghandler.c: Include needed files storage/maria/ma_open.c: Change maria_open() to use pread() instead of read() storage/maria/ma_page.c: Fixed bug in key_del handling Clear pages if IDENTICAL_PAGES_AFTER_RECOVERY is defined storage/maria/ma_pagecache.c: Indentation and spelling fixes More DBUG Added helper function: pagecache_block_link_to_buffer() storage/maria/ma_pagecache.h: Added pagecache_block_link_to_buffer() storage/maria/ma_recovery.c: Fixed state.changed Fixed that REDO keeps pages pinned until UNDO Some bug fixes from previous commit Fixes for UNDO/REDO of key pages storage/maria/ma_search.c: Fixed packing and storing of keys to provide more information to caller so that we can do efficent REDO logging of the changes. storage/maria/ma_test1.c: Fixed bug with not initialized variable storage/maria/ma_test2.c: Removed not used code storage/maria/ma_test_all.res: Updated results storage/maria/ma_test_all.sh: Changed one test to test more Removed timing tests as not relevant here storage/maria/ma_test_recovery.expected: Updated test result after redo/undo if key pages works storage/maria/ma_test_recovery: Updated test after redo/undo if key pages works storage/maria/ma_write.c: Moved some general log functions to ma_key_recover.c Fixed some bugs in undo Moved ma_log_split() to _ma_split_page() Small changes in some function arguments to be able to do redo logging storage/maria/maria_chk.c: disable logging while doing repair table storage/maria/maria_def.h: New function prototypes Move some structs and functions to ma_key_recover.c storage/maria/unittest/ma_control_file-t.c: Updated with patch from Sanja NOTE: This is not complete and need to be updated to new control file format storage/maria/unittest/ma_test_loghandler-t.c: Fixed compiler warning |
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unknown
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21fd2a5a36 |
First part of redo/undo for key pages
Added key_nr to st_maria_keydef for faster keyinfo->keynr conversion
For transactional tables, shift record number in keys up with 1 bit to have place to indicate if transid follows
Checksum for MyISAM now ignores NULL and not used part of VARCHAR
Renamed some variables that caused shadow compiler warnings
Moved extra() call when waiting for tables to not be used to after tables are removed from cache.
Fixed crashing bugs when using Maria TEMPORARY tables with TRUNCATE. Removed 'hack' code in sql directory to go around this bug.
pagecache_unlock_by_ulink() now has extra argument to say if page was changed.
Give error message if we fail to open control file
Mark page cache variables as not flushable
include/maria.h:
Made min page cache larger (needed for pinning key page)
Added key_nr to st_maria_keydef for faster keyinfo->keynr conversion
Added write_comp_flag to move some runtime code to maria_open()
include/my_base.h:
Added new error message to be used when handler initialization failed
include/my_global.h:
Renamed dummy to swap_dummy to avoid conflicts with local 'dummy' variables
include/my_handler.h:
Added const to some parameters
mysys/array.c:
More DBUG
mysys/my_error.c:
Fixed indentation
mysys/my_handler.c:
Added const to some parameters
Added missing error messages
sql/field.h:
Renamed variables to avoid variable shadowing
sql/handler.h:
Renamed parameter to avoid variable name conflict
sql/item.h:
Renamed variables to avoid variable shadowing
sql/log_event_old.h:
Renamed variables to avoid variable shadowing
sql/set_var.h:
Renamed variables to avoid variable shadowing
sql/sql_delete.cc:
Removed maria hack for temporary tables
Fixed indentation
sql/sql_table.cc:
Moved extra() call when waiting for tables to not be used to after tables are removed from cache.
This was needed to ensure we don't do a PREPARE_FOR_DROP or similar call while the table is still in use.
sql/table.cc:
Copy page_checksum from share
Removed Maria hack
storage/maria/Makefile.am:
Added new files
storage/maria/ha_maria.cc:
Renamed records -> record_count and info -> create_info to avoid variable name conflicts
Mark page cache variables as not flushable
storage/maria/ma_blockrec.c:
Moved _ma_unpin_all_pages() to ma_key_recover.c
Moved init of info->pinned_pages to ma_open.c
Moved _ma_finalize_row() to maria_key_recover.h
Renamed some variables to avoid variable name conflicts
Mark page_link.changed for blocks we change directly
Simplify handling of undo link when writing LOGREC_UNDO_ROW_INSERT (old code crashed when having redo for index)
storage/maria/ma_blockrec.h:
Removed extra empty line
storage/maria/ma_checkpoint.c:
Remove not needed trnman.h
storage/maria/ma_close.c:
Free pinned pages (which are now always allocated)
storage/maria/ma_control_file.c:
Give error message if we fail to open control file
storage/maria/ma_delete.c:
Changes for redo logging (first part, logging of underflow not yet done)
- Log undo-key-delete
- Log delete of key
- Updated arguments to _ma_fetch_keypage(), _ma_dispose(), _ma_write_keypage(), _ma_insert()
- Added new arguments to some functions to be able to write redo information
- Mark key pages as changed when we write with PAGECACHE_LOCK_LEFT_WRITELOCKED
Remove one not needed _ma_write_keypage() in d_search() when upper level will do the write anyway
Changed 2 bmove_upp() to bmove() as this made code easer to understand
More function comments
Indentation fixes
storage/maria/ma_ft_update.c:
New arguments to _ma_write_keypage()
storage/maria/ma_loghandler.c:
Fixed some DBUG_PRINT messages
Simplify code
Added new log entrys for key page redo
Renamed some variables to avoid variable name shadowing
storage/maria/ma_loghandler.h:
Moved some defines here
Added define for storing key number on key pages
Added new translog record types
Added enum for type of operations in LOGREC_REDO_INDEX
storage/maria/ma_open.c:
Always allocate info.pinned_pages (we need now also for normal key page usage)
Update keyinfo->key_nr
Added virtual functions to convert record position o number to be stored on key pages
Update keyinfo->write_comp_flag to value of search flag to be used when writing key
storage/maria/ma_page.c:
Added redo for key pages
- Extended _ma_fetch_keypage() with type of lock to put on page and address to used MARIA_PINNED_PAGE
- _ma_fetch_keypage() now pin's pages if needed
- Extended _ma_write_keypage() with type of locks to be used
- ma_dispose() now locks info->s->state.key_del from other threads
- ma_dispose() writes redo log record
- ma_new() locks info->s->state.key_del from other threads if it was used
- ma_new() now pins read page
Other things:
- Removed some not needed arguments from _ma_new() and _ma_dispose)
- Added some new variables to simplify code
- If EXTRA_DEBUG is used, do crc on full page to catch not unitialized bytes
storage/maria/ma_pagecache.h:
Applied patch from Sanja to add extra argument to pagecache_unlock_by_ulink() to mark if page was changed
Added some defines for pagecache priority levels that one can use
storage/maria/ma_range.c:
Added new arguments for call to _ma_fetch_keypage()
storage/maria/ma_recovery.c:
- Added hooks for new translog types:
REDO_INDEX, REDO_INDEX_NEW_PAGE, REDO_INDEX_FREE_PAGE, UNDO_KEY_INSERT, UNDO_KEY_DELETE and
UNDO_KEY_DELETE_WITH_ROOT.
- Moved variable declarations to start of function (portability fixes)
- Removed some not needed initializations
- Set only relevant state changes for each redo/undo entry
storage/maria/lockman.c:
Removed end space
storage/maria/ma_check.c:
Removed end space
storage/maria/ma_create.c:
Removed end space
storage/maria/ma_locking.c:
Removed end space
storage/maria/ma_packrec.c:
Removed end space
storage/maria/ma_pagecache.c:
Removed end space
storage/maria/ma_panic.c:
Removed end space
storage/maria/ma_rt_index.c:
Added new arguments for call to _ma_fetch_keypage(), _ma_write_keypage(), _ma_dispose() and _ma_new()
Fixed indentation
storage/maria/ma_rt_key.c:
Added new arguments for call to _ma_fetch_keypage()
storage/maria/ma_rt_split.c:
Added new arguments for call to _ma_new()
Use new keypage header
Added new arguments for call to _ma_write_keypage()
storage/maria/ma_search.c:
Updated comments & indentation
Added new arguments for call to _ma_fetch_keypage()
Made some variables and arguments const
Added virtual functions for converting row position to number to be stored in key
use MARIA_RECORD_POS of record position instead of my_off_t
Record in MARIA_KEY_PARAM how page was changed one key insert (needed for REDO)
storage/maria/ma_sort.c:
Removed end space
storage/maria/ma_statrec.c:
Updated arguments for call to _ma_rec_pos()
storage/maria/ma_test1.c:
Fixed too small buffer to init_pagecache()
Fixed bug when using insert_count and test_flag
storage/maria/ma_test2.c:
Use more resonable pagecache size
Remove not used code
Reset blob_length to fix wrong output message
storage/maria/ma_test_all.sh:
Fixed wrong test
storage/maria/ma_write.c:
Lots of new code to handle REDO of key pages
No logic changes because of REDO code, mostly adding new arguments and adding new code for logging
Added new arguments for calls to _ma_fetch_keypage(), _ma_write_keypage() and similar functions
Move setting of comp_flag in ma_ck_wrte_btree() from runtime to maria_open()
Zerofill new used pages for:
- To remove possible sensitive data left in buffer
- To get idenitical data on pages after running redo
- Better compression of pages if archived
storage/maria/maria_chk.c:
Added information if table is crash safe
storage/maria/maria_def.h:
New virtual function to convert between record position on key and normal record position
Aded mutex and extra variables to handle locking of share->state.key_del
Moved some structure variables to get things more aligned
Added extra arguments to MARIA_KEY_PARAM to be able to remember what was changed on key page on key insert
Added argument to MARIA_PINNED_PAGE to indicate if page was changed
Updated prototypes for functions
Added some structures for signaling changes in REDO handling
storage/maria/unittest/ma_pagecache_single.c:
Updated arguments for changed function calls
storage/myisam/mi_check.c:
Made calc_check_checksum virtual
storage/myisam/mi_checksum.c:
Update checksums to ignore null columns
storage/myisam/mi_create.c:
Mark if table has null column (to know when we have to use mi_checksum())
storage/myisam/mi_open.c:
Added virtual function for calculating checksum to be able to easily ignore NULL fields
storage/myisam/mi_test2.c:
Fixed bug
storage/myisam/myisamdef.h:
Added virtual function for calculating checksum during check table
Removed ha_key_cmp() as this is in handler.h
storage/maria/ma_key_recover.c:
New BitKeeper file ``storage/maria/ma_key_recover.c''
storage/maria/ma_key_recover.h:
New BitKeeper file ``storage/maria/ma_key_recover.h''
storage/maria/ma_key_redo.c:
New BitKeeper file ``storage/maria/ma_key_redo.c''
|
||
|
unknown
|
13d53bf657 |
Merge some changes from sql directory in 5.1 tree
Changed format for REDO_INSERT_ROWS_BLOBS Fixed several bugs in handling of big blobs Added redo_free_head_or_tail() & redo_insert_row_blobs() Added uuid to control file maria_checks now verifies that not used part of bitmap is 0 REDO_PURGE_BLOCKS -> REDO_FREE_BLOCKS Added REDO_FREE_HEAD_OR_TAIL Fixes problem when trying to read block outside of file during REDO include/my_global.h: STACK_DIRECTION is already set by configure mysql-test/r/maria.result: Updated results mysql-test/t/maria.test: Test shrinking of VARCHAR mysys/my_realloc.c: Fixed indentation mysys/safemalloc.c: Fixed indentation sql/filesort.cc: Removed some casts sql/mysqld.cc: Added missing setting of myisam_stats_method_str sql/uniques.cc: Removed some casts storage/maria/ma_bitmap.c: Added printing of bitmap (for debugging) Renamed _ma_print_bitmap() -> _ma_print_bitmap_changes() Added _ma_set_full_page_bits() Fixed bug in ma_bitmap_find_new_place() (affecting updates) when using big files storage/maria/ma_blockrec.c: Changed format for REDO_INSERT_ROWS_BLOBS Fixed several bugs in handling of big blobs Added code to fix some cases where redo when using blobs didn't produce idenital .MAD files as normal usage REDO_FREE_ROW_BLOCKS doesn't anymore change pages; We only mark things free in bitmap Remove TAIL and filler extents from REDO_FREE_BLOCKS log entry. (Fixed some asserts) REDO_PURGE_BLOCKS -> REDO_FREE_BLOCKS Delete tails in update. (Fixed bug when doing update that shrinks blob/varchar length) Fixed bug when doing insert in block outside of file size. Added redo_free_head_or_tail() & redo_insert_row_blobs() Added pagecache_unlock_by_link() when read fails. Much more comments, DBUG and ASSERT entries storage/maria/ma_blockrec.h: Prototypes of new functions Define of SUB_RANGE_SIZE & BLOCK_FILLER_SIZE storage/maria/ma_check.c: Verify that not used part of bitmap is 0 storage/maria/ma_control_file.c: Added uuid to control file storage/maria/ma_loghandler.c: REDO_PURGE_BLOCKS -> REDO_FREE_BLOCKS Added REDO_FREE_HEAD_OR_TAIL storage/maria/ma_loghandler.h: REDO_PURGE_BLOCKS -> REDO_FREE_BLOCKS Added REDO_FREE_HEAD_OR_TAIL storage/maria/ma_pagecache.c: If we write full block, remove error flag for block. (Fixes problem when trying to read block outside of file) storage/maria/ma_recovery.c: REDO_PURGE_BLOCKS -> REDO_FREE_BLOCKS Added REDO_FREE_HEAD_OR_TAIL storage/maria/ma_test1.c: Allow option after 'b' to be compatible with ma_test2 (This is just to simplify test scripts like ma_test_recovery) storage/maria/ma_test2.c: Default size of blob is now 1000 instead of 1 storage/maria/ma_test_all.sh: Added test for bigger blobs storage/maria/ma_test_recovery.expected: Updated results storage/maria/ma_test_recovery: Added test for bigger blobs |
||
|
unknown
|
df30832d11 |
Merge bk-internal.mysql.com:/home/bk/mysql-maria
into mysql.com:/home/my/mysql-maria client/mysqladmin.cc: Auto merged include/maria.h: Auto merged include/my_sys.h: Auto merged include/mysql_com.h: Auto merged mysql-test/r/maria.result: Auto merged server-tools/instance-manager/listener.cc: Auto merged sql/handler.h: Auto merged sql/item_func.cc: Auto merged sql/item_func.h: Auto merged sql/item_strfunc.cc: Auto merged sql/mysql_priv.h: Auto merged sql/mysqld.cc: Auto merged sql/sql_class.cc: Auto merged sql/sql_class.h: Auto merged sql/sql_show.cc: Auto merged sql/sql_table.cc: Auto merged sql/table.cc: Auto merged sql/table.h: Auto merged storage/maria/ma_bitmap.c: Auto merged storage/maria/ma_blockrec.c: Auto merged storage/maria/ma_blockrec.h: Auto merged storage/maria/ma_check.c: Auto merged storage/maria/ma_create.c: Auto merged storage/maria/ma_delete.c: Auto merged storage/maria/ma_loghandler.h: Auto merged storage/maria/ma_open.c: Auto merged storage/maria/ma_search.c: Auto merged storage/maria/ma_sort.c: Auto merged storage/maria/ma_test2.c: Auto merged storage/maria/ma_test_recovery.expected: Auto merged storage/maria/ma_write.c: Auto merged storage/maria/maria_chk.c: Auto merged storage/maria/maria_pack.c: Auto merged include/my_base.h: Trivial manual merge libmysql/Makefile.shared: Trivial manual merge sql/sql_yacc.yy: Manual merge storage/maria/ha_maria.cc: Trivial manual merge storage/maria/ma_page.c: Trivial manual merge storage/maria/maria_def.h: Trivial manual merge |
||
|
unknown
|
496741d576 |
Moved randomize and my_rnd under mysys
Added my_uuid Added pre-support for PAGE_CHECKSUM Added syntax for CREATE ... PAGE_CHECKSUM=# TABLE_CHECKSUM=# Reserved place for page checksums on index, bitmap and block pages Added index number to header of index pages Added linked list for free directory entries (speeds up inserts with BLOCK format) Calculate checksums in original column order (fixes bug with checksum on rows with BLOCK format) Cleaned up all index handling to use 'info->s->keypage_header' (variable size) as the header for index pages (before this was '2') Added 0xffffffff to end of index and block data bases and 0xfffffffe at end of bitmap pages when page checksums are not enabled Added _ma_get_page_used() and _ma_get_used_and_node() to simplify index page header handling rec_per_key_part is now in double precision Reserved place in index file for my_guid and nulls_per_key_part Give error HA_ERR_NEW_FILE if trying to open a Maria file with new, not yet supported extensions Lots of renames to increase readability: randomize() -> my_rnd_init() st_maria_info -> st_maria_handler st_maria_info -> MARIA_HA st_maria_isaminfo -> st_maria_info rand_struct -> my_rand_struct rec_per_key_rows -> records_at_analyze client/mysqladmin.cc: rand_struct -> my_rrnd_struct include/maria.h: st_maria_info -> MARIA_HA st_maria_isaminfo -> st_maria_info Changed analyze statistics to be of double precission Changed offset to field to be 32bits instead of 64 (safe as a record without blobs can't be that big) include/my_base.h: Added HA_OPTION_PAGE_CHECKSUM & HA_CREATE_PAGE_CHECKSUM Fixed comments Added HA_ERR_NEW_FILE include/my_sys.h: Added prototypes and structures for my_uuid() and my_rnd() include/myisamchk.h: Changed some buffers to size_t Added possibility to have key statistics with double precission include/mysql_com.h: Move rand functions to mysys libmysql/Makefile.shared: Added my_rnd mysql-test/r/maria.result: Updated results mysql-test/t/maria.test: More tests for checksum mysys/Makefile.am: Added my_rnd.c and my_uuid.c server-tools/instance-manager/listener.cc: Fixed include order (my_global.h should always be first) server-tools/instance-manager/mysql_connection.cc: Fixed include order (my_global.h should always be first) Use my_rnd_init() server-tools/instance-manager/mysql_connection.h: rand_struct -> my_rand_struct sql/handler.h: Added flag for page checksums sql/item_func.cc: Use new my_rnd() interface sql/item_func.h: Use new my_rnd() interface sql/item_strfunc.cc: Use new my_rnd() interface sql/lex.h: Added PAGE_CHECKSUM and TABLE_CHECKSUM sql/mysql_priv.h: Use new my_rnd() interface sql/mysqld.cc: Use new my_rnd() interface sql/password.c: Move my_rnd() to mysys Use new my_rnd() interface sql/sql_class.cc: Use new my_rnd() interface sql/sql_class.h: Use new my_rnd() interface sql/sql_crypt.cc: Use new my_rnd() interface sql/sql_crypt.h: Use new my_rnd() interface sql/sql_show.cc: Simpler handling of ha_choice_values Added PAGE_CHECKSUM sql/sql_table.cc: Enable correct checksum handling (for now) if not running in compatible mode sql/sql_yacc.yy: Added table option PAGE_CHECKSUM Added future compatible table option TABLE_CHECKSUM (alias for CHECKSUM) Added 'choice' target to simplify code sql/table.cc: Store flag for PAGE_CHECKSUM sql/table.h: Added support for PAGE_CHECKSUM storage/maria/ha_maria.cc: Remove protection for incompatbile frm and MAI (Slow, not needed test) Rec_per_key is now in double Remember row type for table Give warning if one Maria uses another row type than requested Removed some old ASK_MONTY entries (added comments instead) Added handling of PAGE_CHECKSUM flags storage/maria/ma_bitmap.c: Added page checksums to bitmap pages Added special bitmap marker for bitmap pages (Used to find bugs when running without page checksums) storage/maria/ma_blockrec.c: Added a free-link list over directory entries. This makes insert of small rows faster as we don't have to scan the whole directory to find a not used entry. Moved SANITY_CHECKS to maria_def.h Simplify code by introducing dir_entry_pos() Added support for PAGE_CHECKSUM storage/maria/ma_blockrec.h: Added DIR_FREE_SIZE (linked list of free directory entries) Added PAGE_CHECKSUM Added 'dir_entry_pos()' storage/maria/ma_check.c: Check that index pages has correct index number Calculate rec_per_key with double precission Simplify code by using '_ma_get_used_and_node()' Check free directory list Remove wrong end \n from messages maria_data_on_page() -> _ma_get_page_used() maria_putint() -> _ma_store_page_used() rec_per_key_rows -> records_at_analyze storage/maria/ma_checksum.c: Calculate checksum in original column order storage/maria/ma_create.c: Store original column order in index file Reserve place for nulls_per_key_part (future) Added support for PAGE_CHECKSUM storage/maria/ma_dbug.c: Fixed wrong debug output of key of type 'ulong' storage/maria/ma_delete.c: maria_data_on_page() -> _ma_get_used_and_node() maria_data_on_page() -> _ma_get_page_used() maria_putint() -> _ma_store_page_used() Added page header (index key number) to all index pages Reserved page for checksum on index pages Use keypage_header storage/maria/ma_ft_update.c: maria_putint() -> _ma_store_page_used() Store key number at start of page storage/maria/ma_loghandler.h: st_maria_info -> MARIA_HA storage/maria/ma_open.c: rec_per_key is now in double precission Added 'nulls_per_key_part' Added 'extra_options' (flags for future) Added support for PAGE_CHECKSUM Give error HA_ERR_NEW_FILE when using unsupported maria extensions Added comments Add maria_uuid to index file Added functions to store and read column_nr map. Changed some functions to return my_bool instead of uint storage/maria/ma_page.c: Added checks that pages has correct key nr Store 0xffffffff in checksum position if page checksums are not enabled Moved key-page-delete link to take into account keypage header storage/maria/ma_preload.c: Remove old MyISAM dependent code When scanning pages, only add pages to page cache for the requested index storage/maria/ma_range.c: maria_data_on_page() -> _ma_get_used_and_node() Use keypage_header storage/maria/ma_rt_index.c: Fixed indentation storage/maria/ma_rt_index.h: Added support for dynamic index page header Reserved place for PAGE_CHECKSUM storage/maria/ma_rt_key.c: Fixed indentation maria_data_on_page() -> _ma_get_page_used() maria_putint() -> maria_store_page_used() storage/maria/ma_rt_mbr.c: Fixed indentation storage/maria/ma_rt_split.c: Fixed indentation maria_data_on_page () -> _ma_get_page_used() storage/maria/ma_rt_test.c: Fixed indentation storage/maria/ma_search.c: Remove support of using -1 as 'last used index' to _ma_check_index() maria_data_on_page() -> _ma_get_page_used() maria_data_on_page() -> _ma_get_used_and_node() Use keypage_header storage/maria/ma_sort.c: Changed some buffers to size_t Changed rec_per_key_part to double storage/maria/ma_static.c: Removed NEAR Added maria_uuid storage/maria/ma_test2.c: Moevd testflag == 2 to correct place Remove test of reading with index number -1 (not supported anymore) storage/maria/ma_test_recovery.expected: Updated results storage/maria/ma_test_recovery: Changed tmp table names so that one can run maria_chk on them storage/maria/ma_write.c: Fixed indentation Use keypage_header Store index number on index pages maria_putint() -> _ma_store_page_used() maria_data_on_page() -> ma_get_used_and_node() maria_data_on_page() -> _ma_get_page_used() Added PAGE_CHECKSUM Added Maria handler to some functions Removed some not needed casts storage/maria/maria_chk.c: Added error handling for HA_ERR_NEW_FILE Added information about page checksums rec_per_key_part changed to double maria_data_on_page() -> _ma_get_page_used() Use keypage_header storage/maria/maria_def.h: Added IDENTICAL_PAGES_AFTER_RECOVERY and SANITY_CHECKS Changed rec_per_key_part to double Added nulls_per_key_part rec_per_key_rows -> records_at_analyze st_maria_info -> MARIA_HA Reserve place for new statistics variables, uuid, checksums per page etc. Removed NEAR tags Changed some prototypes to use my_bool and size_t storage/maria/maria_pack.c: st_maria_info -> MARIA_HA Fixed indentation storage/myisam/mi_dbug.c: Fix wrong debug output for ULONG mysys/my_rnd.c: New BitKeeper file ``mysys/my_rnd.c'' mysys/my_uuid.c: New BitKeeper file ``mysys/my_uuid.c'' |
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|
unknown
|
2011f79029 |
Merge jamppa@bk-internal.mysql.com:/home/bk/mysql-maria
into a88-113-38-195.elisa-laajakaista.fi:/home/my/bk/mysql-maria.prod BUILD/SETUP.sh: Auto merged sql/opt_range.cc: Auto merged sql/sql_insert.cc: Auto merged storage/maria/ha_maria.cc: Auto merged storage/maria/ma_check.c: Auto merged storage/maria/ma_create.c: Auto merged storage/maria/ma_delete.c: Auto merged storage/maria/ma_open.c: Auto merged storage/maria/ma_update.c: Auto merged storage/maria/ma_write.c: Auto merged storage/maria/maria_chk.c: Auto merged storage/maria/maria_def.h: Auto merged storage/maria/ma_pagecache.c: Manual merge with maria tree. storage/myisam/sort.c: Manual merge with maria tree. |
||
|
unknown
|
4eb383e06c |
After merge fixes. Applied changes made in myisam manually to maria.
storage/maria/ma_test1.c: After merge fixes. Applied changes made in myisam manually to maria. Fixed memory leak. storage/maria/ma_test2.c: After merge fixes. Applied changes made in myisam manually to maria. Fixed memory leak. |
||
|
unknown
|
d0b9387b88 |
WL#3072 - Maria recovery.
* Recovery of the table's live checksum (CREATE TABLE ... CHECKSUM=1)
is achieved in this patch. The table's live checksum
(info->s->state.state.checksum) is updated in inwrite_rec_hook's
under the log mutex when writing UNDO_ROW_INSERT|UPDATE|DELETE
and REDO_DELETE_ALL. The checksum variation caused by the operation
is stored in these UNDOs, so that the REDO phase, when it sees such
UNDOs, can update the live checksum if it is older (state.is_of_lsn is
lower) than the record. It is also used, as a nice add-on with no
cost, to do less row checksum computation during the UNDO phase
(as we have it in the record already).
Doing this work, it became pressing to move in-write hooks
(write_hook_for_redo() et al) to ma_blockrec.c.
The 'parts' argument of inwrite_rec_hook is unpredictable (it comes
mangled at this stage, for example by LSN compression) so it is
replaced by a 'void* hook_arg', which is used to pass down information,
currently only to write_hook_for_clr_end() (previous undo_lsn and
type of undone record).
* If from ha_maria, we print to stderr how many seconds (with one
fractional digit) the REDO phase took, same for UNDO phase and for
final table close. Just to give an indication for debugging and maybe
also for Support.
storage/maria/ha_maria.cc:
question for Monty
storage/maria/ma_blockrec.c:
* log in-write hooks (write_hook_for_redo() etc) move from
ma_loghandler.c to here; this is natural: the hooks are coupled
to their callers (functions in ma_blockrec.c).
* translog_write_record() now has a new argument "hook_arg";
using it to pass down to write_hook_for_clr_end() the transaction's
previous_undo_lsn and the type of the being undone record, and also
to pass down to all UNDOs the live checksum variation caused by the
operation.
* If table has live checksum, store in UNDO_ROW_INSERT|UPDATE|DELETE
and in CLR_END the checksum variation ("delta") caused by the
operation. For example if a DELETE caused the table's live checksum
to change from 123 to 456, we store in the UNDO_ROW_DELETE, in 4 bytes,
the value 333 (456-123).
* Instead of hard-coded "1" as length of the place where we store
the undone record's type in CLR_END, use a symbol CLR_TYPE_STORE_SIZE;
use macros clr_type_store and clr_type_korr.
* write_block_record() has a new parameter 'old_record_checksum'
which is the pre-computed checksum of old_record; that value is used
to update the table's live checksum when writing UNDO_ROW_UPDATE|CLR_END.
* In allocate_write_block_record(), if we are executing UNDO_ROW_DELETE
the row's checksum is already computed.
* _ma_update_block_record2() now expect the new row's checksum into
cur_row.checksum (was already true) and the old row's checksum into
new_row.checksum (that's new). Its two callers, maria_update() and
_ma_apply_undo_row_update(), honour this.
* When executing an UNDO_ROW_INSERT|UPDATE|DELETE in UNDO phase, pick
up the checksum delta from the log record. It is then used to update
the table's live checksum when writing CLR_END, and saves us a
computation of record.
storage/maria/ma_blockrec.h:
in-write hooks move from ma_loghandler.c
storage/maria/ma_check.c:
more straightforward size of buffer
storage/maria/ma_checkpoint.c:
<= is enough
storage/maria/ma_commit.c:
new prototype of translog_write_record()
storage/maria/ma_create.c:
new prototype of translog_write_record()
storage/maria/ma_delete.c:
The row's checksum must be computed before calling(*delete_record)(),
not after, because it must be known inside _ma_delete_block_record()
(to update the table's live checksum when writing UNDO_ROW_DELETE).
If deleting from a transactional table, live checksum was already updated
when writing UNDO_ROW_DELETE.
storage/maria/ma_delete_all.c:
@todo is now done (in ma_loghandler.c)
storage/maria/ma_delete_table.c:
new prototype of translog_write_record()
storage/maria/ma_loghandler.c:
* in-write hooks move to ma_blockrec.c.
* translog_write_record() gets a new argument 'hook_arg' which is
passed down to pre|inwrite_rec_hook. It is more useful that 'parts'
for those hooks, because when those hooks are called, 'parts' has
possibly been mangled (like with LSN compression) and is so
unpredictable.
* fix for compiler warning (unused buffer_start when compiling without
debug support)
* Because checksum delta is stored into UNDO_ROW_INSERT|UPDATE|DELETE
and CLR_END, but only if the table has live checksum, these records
are not PSEUDOFIXEDLENGTH anymore, they are now VARIABLE_LENGTH (their
length is X if no live checksum and X+4 otherwise).
* add an inwrite_rec_hook for UNDO_ROW_UPDATE, which updates the
table's live checksum. Update it also in hooks of UNDO_ROW_INSERT|
DELETE and REDO_DELETE_ALL and CLR_END.
* Bugfix: when reading a record in translog_read_record(), it happened
that "length" became negative, because the function assumed that
the record extended beyond the page's end, whereas it may be shorter.
storage/maria/ma_loghandler.h:
* Instead of hard-coded "1" and "4", use symbols and macros
to store/retrieve the type of record which the CLR_END corresponds
to, and the checksum variation caused by the operation which logs the
record
* translog_write_record() gets a new argument 'hook_arg' which is
passed down to pre|inwrite_rec_hook. It is more useful that 'parts'
for those hooks, because when those hooks are called, 'parts' has
possibly been mangled (like with LSN compression) and is so
unpredictable.
storage/maria/ma_open.c:
fix for "empty body in if() statement" (when compiling without safemutex)
storage/maria/ma_pagecache.c:
<= is enough
storage/maria/ma_recovery.c:
* print the time that each recovery phase (REDO/UNDO/flush) took;
this is enabled only when recovering from ha_maria. Is it printed
n seconds with a fractional part of one digit (like 123.4 seconds).
* In the REDO phase, update the table's live checksum by using
the checksum delta stored in UNDO_ROW_INSERT|DELETE|UPDATE and CLR_END.
Update it too when seeing REDO_DELETE_ALL.
* In the UNDO phase, when executing UNDO_ROW_INSERT, if the table does
not have live checksum then reading the record's header (as done by
the master loop of run_undo_phase()) is enough; otherwise we
do a translog_read_record() to have the checksum delta ready
for _ma_apply_undo_row_insert().
* When at the end of the REDO phase we notice that there is an unfinished
group of REDOs, don't assert in debug binaries, as I verified that it
can happen in real life (with kill -9)
* removing ' in #error as it confuses gcc3
storage/maria/ma_rename.c:
new prototype of translog_write_record()
storage/maria/ma_test_recovery.expected:
Change in output of ma_test_recovery: now all live checksums of
original tables equal those of tables recreated by the REDO phase
and those of tables fixed by the UNDO phase. I.e. recovery of
the live checksum looks like working (which was after all the only
goal of this changeset).
I checked by hand that it's not just all live checksums which are
now 0 and that's why they match. They are the old values like
3757530372. maria.test has hard-coded checksum values in its result
file so checks this too.
storage/maria/ma_update.c:
* It's useless to put up HA_STATE_CHANGED in 'key_changed',
as we put up HA_STATE_CHANGED in info->update anyway.
* We need to compute the old and new rows' checksum before calling
(*update_record)(), as checksum delta must be known when logging
UNDO_ROW_UPDATE which is done by _ma_update_block_record(). Note that
some functions change the 'newrec' record (at least _ma_check_unique()
does) so we cannot move the checksum computation too early in the
function.
storage/maria/ma_write.c:
If inserting into a transactional table, live's checksum was
already updated when writing UNDO_ROW_INSERT. The multiplication
is a trick to save an if().
storage/maria/unittest/ma_test_loghandler-t.c:
new prototype of translog_write_record()
storage/maria/unittest/ma_test_loghandler_first_lsn-t.c:
new prototype of translog_write_record()
storage/maria/unittest/ma_test_loghandler_max_lsn-t.c:
new prototype of translog_write_record()
storage/maria/unittest/ma_test_loghandler_multigroup-t.c:
new prototype of translog_write_record()
storage/maria/unittest/ma_test_loghandler_multithread-t.c:
new prototype of translog_write_record()
storage/maria/unittest/ma_test_loghandler_noflush-t.c:
new prototype of translog_write_record()
storage/maria/unittest/ma_test_loghandler_pagecache-t.c:
new prototype of translog_write_record()
storage/maria/unittest/ma_test_loghandler_purge-t.c:
new prototype of translog_write_record()
storage/myisam/sort.c:
fix for compiler warnings in pushbuild (write_merge_key* functions
didn't have their declaration match MARIA_HA::write_key).
|
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unknown
|
cec8ac3e07 |
WL#3071 Maria checkpoint
Finally this is the real checkpoint code. It however exhibits unstabilities when a checkpoint runs concurrently with data-modifying clients (table corruption, transaction log's assertions) so for now a checkpoint is taken only at startup after recovery and at shutdown, i.e. not in concurrent situations. Later we will let it run periodically, as well as flush dirty pages periodically (almost all needed code is there already, only pagecache code is written but not committed). WL#3072 Maria recovery * replacing UNDO_ROW_PURGE with CLR_END; testing of those CLR_END via ma_test2 which has INSERTs failing with duplicate keys. * replaying of REDO_RENAME_TABLE Now, off to test Recovery in ha_maria :) BitKeeper/deleted/.del-ma_least_recently_dirtied.c: Delete: storage/maria/ma_least_recently_dirtied.c BitKeeper/deleted/.del-ma_least_recently_dirtied.h: Delete: storage/maria/ma_least_recently_dirtied.h storage/maria/Makefile.am: compile Checkpoint module storage/maria/ha_maria.cc: When ha_maria starts, do a recovery from last checkpoint. Take a checkpoint when that recovery has ended and when ha_maria shuts down cleanly. storage/maria/ma_blockrec.c: * even if my_sync() fails we have to my_close() (otherwise we leak a descriptor) * UNDO_ROW_PURGE is replaced by a simple CLR_END for UNDO_ROW_INSERT, as promised in the old comment; it gives us skipping during the UNDO phase. storage/maria/ma_check.c: All REDOs before create_rename_lsn are ignored by Recovery. So create_rename_lsn must be set only after all data/index has been flushed and forced to disk. We thus move write_log_record_for_repair() to after _ma_flush_tables_files_after_repair(). storage/maria/ma_checkpoint.c: Checkpoint module. storage/maria/ma_checkpoint.h: optional argument if caller wants a thread to periodically take checkpoints and flush dirty pages. storage/maria/ma_create.c: * no need to init some vars as the initial bzero(share) takes care of this. * update to new function's name * even if we fail in my_sync() we have to my_close() storage/maria/ma_extra.c: Checkpoint reads share->last_version under intern_lock, so we make maria_extra() update it under intern_lock. THR_LOCK_maria still needed because of _ma_test_if_reopen(). storage/maria/ma_init.c: destroy checkpoint module when Maria shuts down. storage/maria/ma_loghandler.c: * UNDO_ROW_PURGE gone (see ma_blockrec.c) * we need to remember the LSN of the LOGREC_FILE_ID for a share, because this LSN is needed into the checkpoint record (Recovery wants to know the validity domain of an id->name mapping) * translog_get_horizon_no_lock() needed for Checkpoint * comment about failing assertion (Sanja knows) * translog_init_reader_data() thought that translog_read_record_header_scan() returns 0 in case of error, but 0 just means "0-length header". * translog_assign_id_to_share() now needs the MARIA_HA because LOGREC_FILE_ID uses a log-write hook. * Verify that (de)assignment of share->id happens only under intern_lock, as Checkpoint reads this id with intern_lock. * translog_purge() can accept TRANSLOG_ADDRESS, not necessarily a real LSN. storage/maria/ma_loghandler.h: prototype updates storage/maria/ma_open.c: no need to initialize "res" storage/maria/ma_pagecache.c: When taking a checkpoint, we don't need to know the maximum rec_lsn of dirty pages; this LSN was intended to be used in the two-checkpoint rule, but last_checkpoint_lsn is as good. 4 bytes for stored_list_size is enough as PAGECACHE::blocks (number of blocks which the pagecache can contain) is int. storage/maria/ma_pagecache.h: new prototype storage/maria/ma_recovery.c: * added replaying of REDO_RENAME_TABLE * UNDO_ROW_PURGE gone (see ma_blockrec.c), replaced by CLR_END * Recovery from the last checkpoint record now possible * In new_table() we skip the table if the id->name mapping is older than create_rename_lsn (mapping dates from lsn_of_file_id). * in get_MARIA_HA_from_REDO_record() we skip the record if the id->name mapping is newer than the record (can happen if processing a record which is before the checkpoint record). * parse_checkpoint_record() has to return a LSN, that's what caller expects storage/maria/ma_rename.c: new function's name; log end zeroes of tables' names (ease recovery) storage/maria/ma_test2.c: * equivalent of ma_test1's --test-undo added (named -u here). * -t=1 now stops right after creating the table, so that we can test undoing of INSERTs with duplicate keys (which tests the CLR_END logged by _ma_write_abort_block_record()). storage/maria/ma_test_recovery.expected: Result of testing undoing of INSERTs with duplicate keys; there are some differences in maria_chk -dvv but they are normal (removing records does not shrink data/index file, does not put back the "analyzed, optimized keys"(etc) index state. storage/maria/ma_test_recovery: Test undoing of INSERTs with duplicate keys, using ma_test2; when such INSERT happens, it logs REDO_INSERT, UNDO_INSERT, REDO_DELETE, CLR_END; we abort after that, and test that CLR_END causes recovery to jump over UNDO_INSERT. storage/maria/ma_write.c: comment storage/maria/maria_chk.c: comment storage/maria/maria_def.h: * a new bit in MARIA_SHARE::in_checkpoint, used to build a list of unique shares during Checkpoint. * MARIA_SHARE::lsn_of_file_id added: the LSN of the last LOGREC_FILE_ID for this share; needed to know to which LSN domain the mappings found in the Checkpoint record apply (new mappings should not apply to old REDOs). storage/maria/trnman.c: * small changes to how trnman_collect_transactions() fills its buffer; it also uses a non-dummy lsn_read_non_atomic() found in ma_checkpoint.h |
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unknown
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6aef814d98 |
Fixed some bugs when using undo of VARCHAR fields
Fixed bug in undo_delete Fixed wrong error output from maria_check include/my_base.h: Added marker if we have null fields in table mysql-test/r/maria.result: checksum in maria now ignore null fields that are null sql/sql_table.cc: Ignore null fields that are now (Before enabling this, we have to change MyISAM to also skip null fields) storage/maria/ma_blockrec.c: More logging After merge fixes Fixed some bugs when using undo of VARCHAR fields Fixed bug in undo_delete (We can't use info->rec_buff here as this is used in write_block_record()) storage/maria/ma_blockrec.h: ma_recordpos_to_dir_entry changed to return uint storage/maria/ma_check.c: Fixed wrong output in case of errors storage/maria/ma_create.c: Set share.base.pack_reclength more correct for block record Delete support for RAID storage/maria/ma_open.c: Don't calculate checksum fields with value NULL storage/maria/ma_test1.c: Fixed output from -v for VARCHAR keys storage/maria/ma_test_recovery.expected: Update results after adding new printf New checksums (because we now ignore nulls) Some file lengths are different, but think they are ok (didn't have time to investigate) storage/myisam/ha_myisam.cc: Fixed comment storage/myisam/mi_test1.c: Fixed bug |
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unknown
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cb2b22f0e0 |
Merge bk-internal.mysql.com:/home/bk/mysql-maria
into mysql.com:/home/my/mysql-maria storage/maria/ma_check.c: Auto merged storage/maria/ma_locking.c: Auto merged storage/maria/ma_loghandler.c: Auto merged storage/maria/ma_open.c: Auto merged storage/maria/ma_recovery.c: Auto merged storage/maria/maria_def.h: Auto merged storage/maria/maria_read_log.c: Auto merged storage/maria/ma_blockrec.c: Manual merge storage/maria/ma_test1.c: Manual merge (using Guilhems code) |
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unknown
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155193a6e2 |
Added applying of undo for updates
Fixed bug in duplicate key handling for block records during repair All read-row methods now return error number in case of error Don't calculate checksum for null fields Fixed bug when running maria_read_log with -o BUILD/SETUP.sh: Added STACK_DIRECTION BUILD/compile-pentium-debug-max: Moved STACK_DIRECTION to SETUP include/myisam.h: Added extra parameter to write_key storage/maria/ma_blockrec.c: Added applying of undo for updates Fixed indentation Removed some not needed casts Fixed wrong logging of CLR record Split ma_update_block_record to two functions to be able to reuse it from undo-applying Simplify filling of packed fields ma_record_block_record) now returns error number on failure Sligtly changed log record information for undo-update storage/maria/ma_check.c: Fixed bug in duplicate key handling for block records during repair storage/maria/ma_checksum.c: Don't calculate checksum for null fields storage/maria/ma_dynrec.c: _ma_read_dynamic_reocrd() now returns error number on error Rest of the changes are code simplification and indentation fixes storage/maria/ma_locking.c: Added comment storage/maria/ma_loghandler.c: More debugging Removed printing of total_record_length as this was always same as record_length storage/maria/ma_open.c: Allocate bitmap for changed fields storage/maria/ma_packrec.c: read_record now returns error number on error storage/maria/ma_recovery.c: Fixed wrong arguments to undo_row_update storage/maria/ma_statrec.c: read_record now returns error number on error (not 1) Code simplification storage/maria/ma_test1.c: Added exit possibility after update phase (to test undo of updates) storage/maria/maria_def.h: Include bitmap header file storage/maria/maria_read_log.c: Fixed bug when running with -o |
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unknown
|
64da2c3f6a |
If Maria engine is not compiled in, don't use page caches (fix
for compiler errors in pushbuild). Small bugfix. sql/handler.h: don't use pagecaches if no Maria storage/maria/ma_check.c: correcting mistake in previous push; need to call this function otherwise create_rename_lsn would not be updated at end of REPAIR. |
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unknown
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2291f932b2 |
- WL#3072 Maria Recovery:
Recovery of state.records (the count of records which is stored into the header of the index file). For that, state.is_of_lsn is introduced; logic is explained in ma_recovery.c (look for "Recovery of the state"). The net gain is that in case of crash, we now recover state.records, and it is idempotent (ma_test_recovery tests it). state.checksum is not recovered yet, mail sent for discussion. - WL#3071 Maria Checkpoint: preparation for it, by protecting all modifications of the state in memory or on disk with intern_lock (with the exception of the really-often-modified state.records, which is now protected with the log's lock, see ma_recovery.c (look for "Recovery of the state"). Also, if maria_close() sees that Checkpoint is looking at this table it will not my_free() the share. - don't compute row's checksum twice in case of UPDATE (correction to a bugfix I made yesterday). storage/maria/ha_maria.cc: protect state write with intern_lock (against Checkpoint) storage/maria/ma_blockrec.c: * don't reset trn->rec_lsn in _ma_unpin_all_pages(), because it should wait until we have corrected the allocation in the bitmap (as the REDO can serve to correct the allocation during Recovery); introducing _ma_finalize_row() for that. * In a changeset yesterday I moved computation of the checksum into write_block_record(), to fix a bug in UPDATE. Now I notice that maria_update() already computes the checksum, it's just that it puts it into info->cur_row while _ma_update_block_record() uses info->new_row; so, removing the checksum computation from write_block_record(), putting it back into allocate_and_write_block_record() (which is called only by INSERT and UNDO_DELETE), and copying cur_row->checksum into new_row->checksum in _ma_update_block_record(). storage/maria/ma_check.c: new prototypes, they will take intern_lock when writing the state; also take intern_lock when changing share->kfile. In both cases this is to protect against Checkpoint reading/writing the state or reading kfile at the same time. Not updating create_rename_lsn directly at end of write_log_record_for_repair() as it wouldn't have intern_lock. storage/maria/ma_close.c: Checkpoint builds a list of shares (under THR_LOCK_maria), then it handles each such share (under intern_lock) (doing flushing etc); if maria_close() freed this share between the two, Checkpoint would see a bad pointer. To avoid this, when building the list Checkpoint marks each share, so that maria_close() knows it should not free it and Checkpoint will free it itself. Extending the zone covered by intern_lock to protect against Checkpoint reading kfile, writing state. storage/maria/ma_create.c: When we update create_rename_lsn, we also update is_of_lsn to the same value: it is logical, and allows us to test in maria_open() that the former is not bigger than the latter (the contrary is a sign of index header corruption, or severe logging bug which hinders Recovery, table needs a repair). _ma_update_create_rename_lsn_on_disk() also writes is_of_lsn; it now operates under intern_lock (protect against Checkpoint), a shortcut function is available for cases where acquiring intern_lock is not needed (table's creation or first open). storage/maria/ma_delete.c: if table is transactional, "records" is already decremented when logging UNDO_ROW_DELETE. storage/maria/ma_delete_all.c: comments storage/maria/ma_extra.c: Protect modifications of the state, in memory and/or on disk, with intern_lock, against a concurrent Checkpoint. When state goes to disk, update it's is_of_lsn (by calling the new _ma_state_info_write()). In HA_EXTRA_FORCE_REOPEN, don't set share->changed to 0 (undoing a change I made a few days ago) and ASK_MONTY storage/maria/ma_locking.c: no real code change here. storage/maria/ma_loghandler.c: Log-write-hooks for updating "state.records" under log's mutex when writing/updating/deleting a row or deleting all rows. storage/maria/ma_loghandler_lsn.h: merge (make LSN_ERROR and LSN_REPAIRED_BY_MARIA_CHK different) storage/maria/ma_open.c: When opening a table verify that is_of_lsn >= create_rename_lsn; if false the header must be corrupted. _ma_state_info_write() is split in two: _ma_state_info_write_sub() which is the old _ma_state_info_write(), and _ma_state_info_write() which additionally takes intern_lock if requested (to protect against Checkpoint) and updates is_of_lsn. _ma_open_keyfile() should change kfile.file under intern_lock to protect Checkpoint from reading a wrong kfile.file. storage/maria/ma_recovery.c: Recovery of state.records: when the REDO phase sees UNDO_ROW_INSERT which has a LSN > state.is_of_lsn it increments state.records. Same for UNDO_ROW_DELETE and UNDO_ROW_PURGE. When closing a table during Recovery, we know its state is at least as new as the current log record we are looking at, so increase is_of_lsn to the LSN of the current log record. storage/maria/ma_rename.c: update for new behaviour of _ma_update_create_rename_lsn_on_disk(). storage/maria/ma_test1.c: update to new prototype storage/maria/ma_test2.c: update to new prototype (actually prototype was changed days ago, but compiler does not complain about the extra argument??) storage/maria/ma_test_recovery.expected: new result file of ma_test_recovery. Improvements: record count read from index's header is now always correct. storage/maria/ma_test_recovery: "rm" fails if file does not exist. Redirect stderr of script. storage/maria/ma_write.c: if table is transactional, "records" is already incremented when logging UNDO_ROW_INSERT. Comments. storage/maria/maria_chk.c: update is_of_lsn too storage/maria/maria_def.h: - MARIA_STATE_INFO::is_of_lsn which is used by Recovery. It is stored into the index file's header. - Checkpoint can now mark a table as "don't free this", and maria_close() can reply "ok then you will free it". - new functions storage/maria/maria_pack.c: update for new name |
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unknown
|
d53991853e |
- speed optimization:
minimize writes to transactional Maria tables: don't write
data pages, state, and open_count at the end of each statement.
Data pages will be written by a background thread periodically.
State will be written by Checkpoint periodically.
open_count serves to detect when a table is potentially damaged
due to an unclean mysqld stop, but thanks to recovery an unclean
mysqld stop will be corrected and so open_count becomes useless.
As state is written less often, it is often obsolete on disk,
we thus should avoid to read it from disk.
- by removing the data page writes above, it is necessary to put
it back at the start of some statements like check, repair and
delete_all. It was already necessary in fact (see ma_delete_all.c).
- disabling CACHE INDEX on Maria tables for now (fixes crash
of test 'key_cache' when run with --default-storage-engine=maria).
- correcting some fishy code in maria_extra.c (we possibly could lose
index pages when doing a DROP TABLE under Windows, in theory).
storage/maria/ha_maria.cc:
disable CACHE INDEX in Maria for now (there is a single cache for now),
it crashes and it's not a priority
storage/maria/ma_bitmap.c:
debug message
storage/maria/ma_check.c:
The statement before maria_repair() may not flush state,
so it needs to be done by maria_repair() (indeed this function
uses maria_open(HA_OPEN_COPY) so reads state from disk,
so needs to find it up-to-date on disk).
For safety (but normally this is not needed) we remove index blocks
out of the cache before repairing.
_ma_flush_blocks() becomes _ma_flush_table_files_after_repair():
it now additionally flushes the data file and state and syncs files.
As a side effect, the assertion "no WRITE_CACHE_USED" from
_ma_flush_table_files() fired so we move all end_io_cache() done
at the end of repair to before the calls to _ma_flush_table_files_after_repair().
storage/maria/ma_close.c:
when closing a transactional table, we fsync it. But we need to
do this only after writing its state.
We need to write the state at close time only for transactional
tables (the other tables do that at last unlock).
Putting back the O_RDONLY||crashed condition which I had
removed earlier.
Unmap the file before syncing it (does not matter now as Maria
does not use mmap)
storage/maria/ma_delete_all.c:
need to flush data pages before chsize-ing it. Was needed even when
we flushed data pages at the end of each statement, because we didn't
anyway do it if under LOCK TABLES: the change here thus fixes this bug:
create table t(a int) engine=maria;lock tables t write;
insert into t values(1);delete from t;unlock tables;check table t;
"Size of datafile is: 16384 Should be: 8192"
(an obsolete page went to disk after the chsize(), at unlock time).
storage/maria/ma_extra.c:
When doing share->last_version=0, we make the MARIA_SHARE-in-memory
invisible to future openers, so need to have an up-to-date state
on disk for them. The same way, future openers will reopen the data
and index file, so they will not find our cached blocks, so we
need to flush them to disk.
In HA_EXTRA_FORCE_REOPEN, this probably happens naturally as all
tables normally get closed, we however add a safety flush.
In HA_EXTRA_PREPARE_FOR_RENAME, we need to do the flushing. On
Windows we additionally need to close files.
In HA_EXTRA_PREPARE_FOR_DROP, we don't need to flush anything but
remove dirty cached blocks from memory. On Windows we need to close
files.
Closing files forces us to sync them before (requirement for transactional
tables).
For mutex reasons (don't lock intern_lock twice), we move
maria_lock_database() and _ma_decrement_open_count() first in the list
of operations.
Flush also data file in HA_EXTRA_FLUSH.
storage/maria/ma_locking.c:
For transactional tables:
- don't write data pages / state at unlock time;
as a consequence, "share->changed=0" cannot be done.
- don't write state in _ma_writeinfo()
- don't maintain open_count on disk (Recovery corrects the table in case of crash
anyway, and we gain speed by not writing open_count to disk),
For non-transactional tables, flush the state at unlock only
if the table was changed (optimization).
Code which read the state from disk is relevant only with
external locking, we disable it (if want to re-enable it, it shouldn't
for transactional tables as state on disk may be obsolete (such tables
does not flush state at unlock anymore).
The comment "We have to flush the write cache" is now wrong because
maria_lock_database(F_UNLCK) now happens before thr_unlock(), and
we are not using external locking.
storage/maria/ma_open.c:
_ma_state_info_read() is only used in ma_open.c, making it static
storage/maria/ma_recovery.c:
set MARIA_SHARE::changed to TRUE when we are going to apply a
REDO/UNDO, so that the state gets flushed at close.
storage/maria/ma_test_recovery.expected:
Changes introduced by this patch:
- good: the "open" (table open, not properly closed) is gone,
it was pointless for a recovered table
- bad: stemming from different moments of writing the index's state
probably (_ma_writeinfo() used to write the state after every row
write in ma_test* programs, doesn't anymore as the table is
transactional): some differences in indexes (not relevant as we don't
yet have recovery for them); some differences in count of records
(changed from a wrong value to another wrong value) (not relevant
as we don't recover this count correctly yet anyway, though
a patch will be pushed soon).
storage/maria/ma_test_recovery:
for repeatable output, no names of varying directories.
storage/maria/maria_chk.c:
function renamed
storage/maria/maria_def.h:
Function became local to ma_open.c. Function renamed.
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unknown
|
5183a4b00b |
Fixed several bugs found by running *.test with maria engine
Renamed HA_EXTRA_PREAPRE_FOR_DELETE to HA_EXTRA_PERPARE_FOR_DROP Added HA_EXTRA_PREPARE_FOR_RENAME (as we in the code before used HA_EXTRA_PREPARE_FOR_DELETE also for renames which confused things) Allow multiple write locks for same page by same file handle Don't write table state if table is not changed include/my_base.h: Renamed HA_EXTRA_PREAPRE_FOR_DELETE to HA_EXTRA_PERPARE_FOR_DROP Added HA_EXTRA_PREPARE_FOR_RENAME (as we in the code before used HA_EXTRA_PREPARE_FOR_DELETE also for renames which confused things) mysql-test/r/maria.result: More tests of things that failed in other tests mysql-test/t/maria.test: More tests of things that failed in other tests sql/ha_partition.cc: HA_EXTRA_PREPARE_FOR_DELETE -> HA_EXTRA_PREPARE_FOR_DROP Use HA_EXTRA_PREPARE_FOR_RENAME for renames sql/ha_partition.h: HA_EXTRA_PREPARE_FOR_DELETE -> HA_EXTRA_PREPARE_FOR_DROP Use HA_EXTRA_PREPARE_FOR_RENAME for renames sql/lock.cc: Fixed comment sql/sql_table.cc: Fixed wrong usage of HA_EXTRA_PREAPRE_FOR_DELETE storage/maria/ha_maria.cc: Added missing _ma_renable_logging_for_table() (When using with ALTER TABLE + repair index) Enabled fast generation of index storage/maria/ma_bitmap.c: Fixed bug when resetting full pages when page was a tail page storage/maria/ma_blockrec.c: Fixed several bugs found by running *.test with maria engine: During update we keep old changed pages locked with a write lock to be able to reuse them. - Fixed bug with allocated but not used tail part - Fixed bug with blob that only had tail part - Fixed bug when update reused a page (needed multiple write locks for same page) - Fixed bug when first extent was a tail block storage/maria/ma_check.c: Better error message when bitmap is destroyed storage/maria/ma_close.c: Only write status if file was changed. Fixed bug when maria_chk -e file_name changed the file. storage/maria/ma_dynrec.c: Removed not used argument to _ma_state_info_read_dsk storage/maria/ma_extra.c: HA_EXTRA_PREPARE_FOR_DELETE -> HA_EXTRA_PREPARE_FOR_DROP Use HA_EXTRA_PREPARE_FOR_RENAME for renames Only ignore flushing of pages for DROP (not rename) storage/maria/ma_locking.c: Removed not used argument to _ma_state_info_read_dsk storage/maria/ma_open.c: Removed not used argument to _ma_state_info_read_dsk storage/maria/ma_pagecache.c: Allow multiple write locks for same page by same file handle (Not yet complete, Sanja will fix) storage/maria/ma_recovery.c: HA_EXTRA_PREPARE_FOR_DELETE -> HA_EXTRA_PREPARE_FOR_DROP storage/maria/maria_def.h: Removed not used argument to _ma_state_info_read_dsk storage/myisam/mi_extra.c: HA_EXTRA_PREPARE_FOR_DELETE -> HA_EXTRA_PREPARE_FOR_DROP Use HA_EXTRA_PREPARE_FOR_RENAME for renames Only ignore flushing of pages for DROP (not rename) storage/myisammrg/ha_myisammrg.cc: HA_EXTRA_PREPARE_FOR_DELETE -> HA_EXTRA_PREPARE_FOR_DROP Use HA_EXTRA_PREPARE_FOR_RENAME for renames |
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unknown
|
e27890cab0 |
WL#3072 Maria recovery
* create page cache before initializing engine and not after, because Maria's recovery needs a page cache * make the creation of a bitmap page more crash-resistent * bugfix (see ma_blockrec.c) * back to old way: create an 8k bitmap page when creating table * preparations for the UNDO phase: recreate TRNs * preparations for Checkpoint: list of dirty pages, testing of rec_lsn to know if page should be skipped during Recovery (unused in this patch as no Checkpoint module pushed yet) * maria_chk tags repaired table with a special LSN * reworking all around in ma_recovery.c (less duplication) mysys/my_realloc.c: noted an issue in my_realloc() sql/mysqld.cc: page cache needs to be created before engines are initialized, because Maria's initialization may do a recovery which needs the page cache. storage/maria/ha_maria.cc: update to new prototype storage/maria/ma_bitmap.c: when creating the first bitmap page we used chsize to 8192 bytes then pwrite (overwrite) the last 2 bytes (8191-8192). If crash between the two operations, this leaves a bitmap page full without its end marker. A later recovery may try to read this page and find it exists and misses a marker and conclude it's corrupted and fail. Changing the chsize to only 8190 bytes: recovery will then find the page is too short and recreate it entirely. storage/maria/ma_blockrec.c: Fix for a bug: when executing a REDO, if the data page is created, data_file_length was increased before _ma_bitmap_set(): _ma_bitmap_set() called _ma_read_bitmap_page() which, due to the increased data_file_length, expected to find a bitmap page on disk with a correct end marker; if the bitmap page didn't exist already in fact, this failed. Fixed by increasing data_file_length only after _ma_read_bitmap_page() has created the new bitmap page correctly. This bug could happen every time a REDO is about creating a new bitmap page. storage/maria/ma_check.c: empty data file has a bitmap page storage/maria/ma_control_file.c: useless parameter to ma_control_file_create_or_open(), just test if this is recovery. storage/maria/ma_control_file.h: new prototype storage/maria/ma_create.c: Back to how it was before: maria_create() creates an 8k bitmap page. Thus (bugfix) data_file_length needs to reflect this instead of being 0. storage/maria/ma_loghandler.c: as ma_test1 and ma_test2 now use real transactions and not dummy_transaction_object, REDO for INSERT/UPDATE/DELETE are always about real transactions, can assert this. A function for Recovery to assign a short id to a table. storage/maria/ma_loghandler.h: new function storage/maria/ma_loghandler_lsn.h: maria_chk tags repaired tables with this LSN storage/maria/ma_open.c: * enforce that DMLs on transactional tables use real transactions and not dummy_transaction_object. * test if table was repaired with maria_chk (which has to been seen as an import of an external table into the server), test validity of create_rename_lsn (header corruption detection) * comments. storage/maria/ma_recovery.c: * preparations for the UNDO phase: recreate TRNs * preparations for Checkpoint: list of dirty pages, testing of rec_lsn to know if page should be skipped during Recovery (unused in this patch as no Checkpoint module pushed yet) * reworking all around (less duplication) storage/maria/ma_recovery.h: a parameter to say if the UNDO phase should be skipped storage/maria/maria_chk.c: tag repaired tables with a special LSN storage/maria/maria_read_log.c: * update to new prototype * no UNDO phase in maria_read_log for now storage/maria/trnman.c: * a function for Recovery to create a transaction (TRN), needed in the UNDO phase * a function for Recovery to grab an existing transaction, needed in the UNDO phase (rollback all existing transactions) storage/maria/trnman_public.h: new functions |
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unknown
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0d301ee822 |
* tests which use MERGE or INSERT DELAYED should run only
with engines which support that * temporarily adding option --global-subst to mysqltest so that the full testsuite can be run using Maria tables without failing on trivial differences (like diff in the engine clause of SHOW CREATE TABLE) * using recognizable tags for todos of the Maria team client/mysqltest.c: temporarily adding option --global-subst: its argument is X,Y. It replaces all occurrences of X by Y into mysqltest's result before the comparison with the expected result is done. This serves for when a test is run with --default-storage-engine=X where X is not MyISAM: tests using SHOW CREATE TABLE will always fail because SHOW CREATE TABLE prints X instead of MyISAM. With --global-subst=X,MyISAM , such trivial differences are eliminated and test may be reported as passing. For example, --global-subst=MARIA,MyISAM This is not good enough for merging into main trees! just for running many tests and finding bugs now! mysql-test/mysql-test-run.pl: new option --mysqltest to pass options to mysqltest (like we have --mysqld). Used for example like this: ./mtr --mysqltest=--global-subst=MARIA,MyISAM mysql-test/r/merge.result: update mysql-test/t/delayed.test: run test only with engines which support INSERT DELAYED mysql-test/t/merge.test: run test only with MyISAM tables, as they are required by MERGE sql/sql_delete.cc: recognizable tag sql/table.cc: recognizable tag storage/maria/ha_maria.cc: recognizable tag storage/maria/ma_check.c: recognizable tag storage/maria/ma_create.c: recognizable tag |
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unknown
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95e2558f8e |
* "transactionality" needs to be preserved by TRUNCATE TABLE:
a table with TRANSACTIONAL=x needs to still have it after TRUNCATE. No testcase, but without this fix, the frm and the Maria table got "out of sync" in this case: create table t1 (a int) row_format=page transactional=0; truncate table t1; After TRUNCATE, the Maria table (not the frm) was transactional (thus logging records, which is wrong). * fix for non-closed file at end of "maria_chk -r" sql/table.cc: "transactionality" needs to be preserved when truncating. It's behind a if() to not cancel the hack added to mysql_truncate() today for temporary Maria tables. storage/maria/ha_maria.cc: question for Monty (he also has a big mail from me on the same subject) storage/maria/ma_check.c: question for Monty (likely bugs) storage/maria/ma_create.c: debugging info storage/maria/ma_open.c: fix for datafile left open at end of "maria_chk -r": ma_open_datafile() happens after _ma_bitmap_init(), it sets dfile.file so needs to set share->bitmap.file.file too (they are copies of each other). Otherwise it breaks how closing of files works in BLOCK_RECORD (which is that info.dfile.file is not closed but share->bitmap.file.file is closed): not setting share->bitmap.file.file can lead to forgetting to close a file or closing a wrong file. |
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unknown
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83ea6e4f13 |
as I disabled creation of the first empty bitmap at creation time,
I disable it too for repair time. |
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unknown
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ddac4525f1 |
Fix for
./mtr --mysqld=--default-storage-engine=maria --mem ps: I got "can't sync on file UNOPENED" among the messages of REPAIR TABLE; due to a missing setting of bitmap.file.file to -1. Maria had two names "Maria" and "MARIA", using one now: "MARIA". storage/maria/ha_maria.cc: plug.in uses "MARIA". Some code apparently picks the name from plug.in (SHOW CREATE TABLE, run ps.test on Maria tables), other from mysql_declare_plugin (SHOW CREATE TABLE on partitioned tables, run partition.test with Maria tables), better make names identical. storage/maria/ma_check.c: running ps.test on Maria tables I got "can't sync on file UNOPENED" among the messages of REPAIR TABLE. That was due to maria_repair() closing the data file, setting info->dfile.file to -1 to prevent a wrong double close, but forgetting to also set info->s->bitmap.file.file to -1; it left it unchanged and so, when close_thread_tables() closed the old version of the repaired table, _ma_once_end_block_record() tried to fsync the closed descriptor, resulting in a message. Basically, when setting info->dfile.file to something it's always safe and recommended to set bitmap.file.file to the same value as it's just a copy of the same descriptor see _ma_bitmap_init(). Using change_data_file_descriptor() for that. Changing that function to use MY_WME as it looks safe. storage/maria/ma_close.c: no need to make the index file durable if table is not transactional |
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unknown
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62b30a1922 |
propagation to maria_repair_by_sort() and maria_repair_parallel()
of bugfix made to maria_repair() yesterday. Fail "bk delta" (and thus "bk citool") if an added or modified line of a C/C++ file has white space at end of line BitKeeper/triggers/pre-delta: detection gave false alarm on added newline storage/maria/ma_check.c: propagation to maria_repair_by_sort() and maria_repair_parallel() of bugfix made to maria_repair() yesterday. No effect now as those two repair variants are never used with BLOCK_RECORD. |
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unknown
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1ad3a05dd7 |
Fix for errors during:
"./mtr --mysqld=--default-storage-engine=maria mysqldump".
First problem was use of INSERT DELAYED and MERGE tables without
specifying that the tables to create should always be MyISAM.
After fixing this, no rows were returned by the final SELECT of the
"BUG 19025" portion of the test. Simplified problem was:
LOCK TABLES `t1` WRITE;
/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
INSERT INTO `t1` VALUES ('bla',1000),('bla',1001),('bla',1002);
/*!40000 ALTER TABLE `t1` ENABLE KEYS */;
UNLOCK TABLES;
select * from t1;
The SELECT would find no rows. Reason: ENABLE KEYS does a maria_repair();
but data pages are still in the page cache and not on disk (because
they were not flushed because maria_lock_database(F_UNLCK) was
not called at the end of INSERT because under LOCK TABLES).
At start of maria_repair(), sort_info.filelength is set to the
physical size of the data file (=> too small because pages are in
cache and not on disk).
Then in sort_get_next_record(), when seeing end-of-file, this is done:
sort_param->max_pos= sort_info->filelength;
Further in maria_repair(), this is done:
info->state->data_file_length= sort_param.max_pos;
and so data_file_length is smaller (0) than reality (16384).
This makes SELECT think EOF is where it is not, and thus find
no rows.
This is fixed by flushing all data pages at the start of maria_repair()
(no performance problem is introduced as in common cases where
ALTER TABLE is not under LOCK TABLES, the previous statement did
this flush anyway).
Another reason to do this flush is that, if not doing it, old cached
pages might go down onto the repaired data file at a later point
and thus corrupt it (assume a REPAIR non-QUICK).
A similar bug is fixed:
LOCK TABLES WRITE; INSERT; CHECK TABLE;
reports "Size of datafile is: 0 Should be: 16384"
again because the physical size was read without a preliminary
page cache flush.
mysql-test/r/maria.result:
result update
mysql-test/r/mysqldump.result:
result update
mysql-test/t/maria.test:
adding test for fixed bug in LOCK TABLES + CHECK TABLE + block format.
Disabling portion which hits "incorrect key file" but still
letting it make the test fail (Monty to fix).
mysql-test/t/mysqldump.test:
in places where test expects engine to support INSERT DELAYED and
be includable in a MERGE table, i.e. be MyISAM, we explicitely
ask for MyISAM.
storage/maria/ma_check.c:
Before reading the data file's physical size with my_seek(MY_SEEK_END)
during maria_chk_size() and maria_repair(), we must flush this
data file, otherwise physical size is misleading and leads to
- CHECK TABLE finding the table corrupted ("size of datafile should be"
error)
- ALTER TABLE ENABLE KEYS losing rows (maria_repair()
setting data_file_length to a too small value => later SELECT does
not find rows though they are in the data file).
This fixes the "mysqldump.test" failure.
sort_info.filelength contains the physical size, re-using it.
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unknown
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72c3c369e4 |
Fix for three bugs:
number 1: "./mtr --mysqld=--default-storage-engine=maria backup" restored no rows (forgot to flush data pages before my_copy(), and also the maria_repair() used by ha_maria::restore() needed a correct data_file_length to not miss rows). [note that BACKUP TABLE will be removed anyway in 5.2] number 2: "./mtr --mysqld=--default-storage-engine=maria bootstrap" caused segfault (uninitialized variable) number 3: "./mtr --mysqld=--default-storage-engine=maria check" showed warning in CHECK TABLE (maria_create() created a non-empty data file with data_file_length==0). storage/maria/ha_maria.cc: in ha_maria::backup, need to flush the data file before copying it, otherwise data misses from the copy (bug 1) storage/maria/ma_bitmap.c: when allocating data at the end of the bitmap, best_data is at "end", should not be left to 0 (bug 2) storage/maria/ma_check.c: _ma_scan_block_record() is used in QUICK repair. It relies on data_file_length. RESTORE TABLE mixes the MAI of an empty table (so, data_file_length==0) with an non-empty MAD, and does a QUICK repair; that got fooled (thought it had hit EOF immediately, so found no records) (bug 1) storage/maria/ma_create.c: At the end of maria_create() we have, in the index file, data_file_length==0, while the data file has a bitmap page (8192). This inconsistency makes CHECK TABLE rightly complain. Fixed by not creating a first bitmap page during maria_create() (also saves disk space) (bug 3) Question for Monty. storage/maria/ma_extra.c: A function to flush the data and index files before one can use OS syscalls (reads, writes) on those files. For example, ha_maria::backup() does a my_copy() of the data file and so all cached pieces of this file must be sent to the OS (bug 1) This function will have to be used elsewhere in Maria, several places have not been updated when we added pagecache-ing of the data file (they still only flush the index file), they are probable bugs. storage/maria/maria_def.h: new function. Needs to be visible from ha_maria::backup. |
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unknown
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372b4ed49a |
WL#3072 Maria recovery:
preparation to enable recoverability of the table's state, more exactly
info->state->checksum. This will require that info->state->checksum
be updated in a inwrite_hook when writing an UNDO record, thus
info->cur_row.checksum needs to be accessible to inwrite_hook, so we
make translog_write_record() accept a MARIA_HA* (info) instead of
MARIA_SHARE* (info->s); with this, we will be able to access
info->cur_row.checksum. Old code which needed the MARIA_SHARE
can derive it from MARIA_HA. Fix for typos and compiler warnings.
storage/maria/ma_blockrec.c:
fix for new loghandler API. Removing strange lines (how could gcc
accept that?)
storage/maria/ma_check.c:
fix for new loghandler API
storage/maria/ma_delete_all.c:
fix for new loghandler API
storage/maria/ma_loghandler.c:
functions now take a MARIA_HA in argument, this is more powerful
than a MARIA_SHARE (MARIA_SHARE can be derived from MARIA_HA, not
the other way around). MARIA_HA will be needed to allow recoverability
of the table's state.
Fixing wrong DBUG_PRINT ('i' is not the id).
When writing the LOGREC_FILE_ID, we don't have a MARIA_HA around,
so we cannot ask translog_write_record() to store the id for us;
we thus store the file's id by ourselves. Alternative would have been
to pass MARIA_HA to translog_assign_id_to_share() but I didn't like it.
storage/maria/ma_loghandler.h:
new loghandler API
storage/maria/tablockman.c:
fix for compiler warning (intptr is int on my machine)
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unknown
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a3d2ae4648 |
merging MyISAM changes into Maria (not done in 5.1->maria merge of
Jul 7th). "maria.test" and "ps_maria.test" still fail; "ma_test_all" starts failing (MyISAM has the same issue see BUG#30094). include/maria.h: merging MyISAM changes into Maria mysys/mf_keycache.c: mi_test_all showed "floating point exception", this was already fixed in the latest 5.1, importing fix. sql/item_xmlfunc.cc: compiler warning (already fixed in latest 5.1) storage/maria/ha_maria.cc: merging MyISAM changes into Maria. See #ifdef ASK_MONTY. storage/maria/ha_maria.h: merging MyISAM changes into Maria storage/maria/ma_cache.c: merging MyISAM changes into Maria storage/maria/ma_check.c: merging MyISAM changes into Maria storage/maria/ma_create.c: merging MyISAM changes into Maria storage/maria/ma_dynrec.c: merging MyISAM changes into Maria storage/maria/ma_extra.c: merging MyISAM changes into Maria storage/maria/ma_ft_boolean_search.c: merging MyISAM changes into Maria storage/maria/ma_ft_nlq_search.c: merging MyISAM changes into Maria storage/maria/ma_info.c: merging MyISAM changes into Maria storage/maria/ma_key.c: merging MyISAM changes into Maria storage/maria/ma_loghandler.c: compiler warning (part->length is size_t) storage/maria/ma_open.c: merging MyISAM changes into Maria storage/maria/ma_preload.c: merging MyISAM changes into Maria storage/maria/ma_range.c: merging MyISAM changes into Maria storage/maria/ma_rkey.c: merging MyISAM changes into Maria storage/maria/ma_rt_index.c: merging MyISAM changes into Maria storage/maria/ma_rt_key.c: merging MyISAM changes into Maria storage/maria/ma_rt_split.c: merging MyISAM changes into Maria storage/maria/ma_search.c: merging MyISAM changes into Maria storage/maria/ma_sort.c: merging MyISAM changes into Maria storage/maria/maria_def.h: merging MyISAM changes into Maria |
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unknown
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1ea806b174 |
Merge jamppa@bk-internal.mysql.com:/home/bk/mysql-maria
into labbari.dsl.inet.fi:/home/my/bk/mysql-maria.prod mysys/thr_lock.c: Auto merged storage/csv/ha_tina.cc: Auto merged storage/csv/ha_tina.h: Auto merged storage/maria/ma_blockrec.c: Auto merged storage/maria/ma_check.c: Auto merged storage/maria/ma_loghandler.c: Auto merged storage/maria/trnman.c: Auto merged storage/myisam/mi_locking.c: Auto merged sql/lock.cc: SCCS merged |
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unknown
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3a1c7c914c |
Maria: correcting assertions (should be enforced only in multi-threaded
mode) so ma_test_all works again; more error detection in ma_test_all; maria_control renamed to maria_log_control (Monty's suggestion, so that a "rm maria_log*" removes all log-related files). Disabling failing wrong assertion. storage/maria/ma_blockrec.c: disabling assertion which fails because cur_block is a local variable not initialized storage/maria/ma_check.c: comment storage/maria/ma_control_file.h: control file renamed storage/maria/ma_loghandler.c: assertions needed only in multi-threaded mode (ma_test1 and ma_test2 are single-threaded, it's ok for them to use dummy_transaction_object with transactional tables: trn->rec_lsn can be set without interfering with other threads). storage/maria/ma_test_all.sh: got caught by failures in some ma_test1 runs, which I didn't see because ma_test_all returned 0 and I didn't scroll up in the window; now using "set -e" to avoid that. Also testing that we get the errors and warnings we expect. storage/maria/unittest/Makefile.am: maria_control renamed |
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unknown
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6ed46be70e | Fixed bytes to uchar and gptr to uchar* | ||
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unknown
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8ba21c616e |
Merge jamppa@bk-internal.mysql.com:/home/bk/mysql-maria
into a88-113-38-195.elisa-laajakaista.fi:/home/my/bk/mysql-maria.prod BitKeeper/etc/ignore: auto-union include/maria.h: Auto merged include/my_base.h: Auto merged mysql-test/include/ps_conv.inc: Auto merged mysql-test/r/ps_2myisam.result: Auto merged mysql-test/r/ps_3innodb.result: Auto merged mysql-test/r/ps_4heap.result: Auto merged mysql-test/r/ps_5merge.result: Auto merged mysql-test/r/ps_7ndb.result: Auto merged mysys/Makefile.am: Auto merged mysys/mf_iocache.c: Auto merged mysys/mf_tempfile.c: Auto merged mysys/my_error.c: Auto merged mysys/my_init.c: Auto merged mysys/my_open.c: Auto merged sql/handler.cc: Auto merged sql/handler.h: Auto merged sql/lex.h: Auto merged sql/sql_show.cc: Auto merged sql/sql_yacc.yy: Auto merged sql/table.cc: Auto merged sql/table.h: Auto merged storage/maria/ha_maria.cc: Auto merged storage/maria/ha_maria.h: Auto merged storage/maria/ma_bitmap.c: Auto merged storage/maria/ma_blockrec.h: Auto merged storage/maria/ma_create.c: Auto merged storage/maria/ma_dynrec.c: Auto merged storage/maria/ma_loghandler.h: Auto merged storage/maria/ma_loghandler_lsn.h: Auto merged storage/maria/ma_open.c: Auto merged storage/maria/ma_pagecache.c: Auto merged storage/maria/ma_pagecache.h: Auto merged storage/maria/ma_test1.c: Auto merged storage/maria/ma_test2.c: Auto merged storage/maria/ma_update.c: Auto merged storage/maria/maria_chk.c: Auto merged storage/maria/unittest/ma_test_loghandler-t.c: Auto merged storage/maria/unittest/ma_test_loghandler_multigroup-t.c: Auto merged storage/maria/unittest/ma_test_loghandler_multithread-t.c: Auto merged storage/maria/unittest/ma_test_loghandler_pagecache-t.c: Auto merged storage/myisam/ft_stopwords.c: Auto merged storage/myisam/mi_close.c: Auto merged support-files/compiler_warnings.supp: Auto merged mysys/mf_keycache.c: Pulled from mysql-maria tree, manual merge. mysys/my_handler.c: Pulled from mysql-maria tree, manual merge. mysys/my_symlink2.c: Pulled from mysql-maria tree, manual merge. sql/mysqld.cc: Pulled from mysql-maria tree, manual merge. sql/sql_table.cc: Pulled from mysql-maria tree, manual merge. storage/maria/ma_blockrec.c: Pulled from mysql-maria tree, manual merge. storage/maria/ma_check.c: Pulled from mysql-maria tree, manual merge. storage/maria/ma_close.c: Pulled from mysql-maria tree, manual merge. storage/maria/ma_loghandler.c: Pulled from mysql-maria tree, manual merge. storage/maria/maria_def.h: Pulled from mysql-maria tree, manual merge. |
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unknown
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388122558c |
Maria:
* Don't modify share->base.born_transactional; now it is a value carved in stone at creation time. share->now_transactional is what can be modified: it starts at born_transactional, can become false during ALTER TABLE (when we want no logging), and restored later. * Not resetting create_rename_lsn to 0 during delete_all or repair. * when we temporarily disable transactionality, we also change the page type to PAGECACHE_PLAIN_PAGE: it bypasses some work in the page cache (optimization), and avoids assertions related to LSNs. * Disable INSERT DELAYED for transactional tables, because durability could not be guaranteed (insertion may even not happen) mysys/mf_keycache.c: comment storage/maria/ha_maria.cc: * a transactional table cannot do INSERT DELAYED * ha_maria::save_transactional not needed anymore, as now instead we don't modify MARIA_SHARE::MARIA_BASE_INFO::born_transactional (born_transactional plays the role of save_transactional), and modify MARIA_SHARE::now_transactional. * REPAIR_TABLE log record is now logged by maria_repair() * comment why we rely on born_transactional to know if we should skipping a transaction. * putting together two if()s which test for F_UNLCK storage/maria/ha_maria.h: ha_maria::save_transactional not needed anymore (moved to the C layer) storage/maria/ma_blockrec.c: * For the block record's code (writing/updating/deleting records), all that counts is now_transactional, not born_transactional. * As we now set the page type to PAGECACHE_PLAIN_PAGE for tables which have now_transactional==FALSE, pagecache will not expect a meaningful LSN for them in pagecache_unlock_by_link(), so we can pass it LSN_IMPOSSIBLE. storage/maria/ma_check.c: * writing LOGREC_REPAIR_TABLE moves from ha_maria::repair() to maria_repair(), sounds cleaner (less functions to export). * when opening a table during REPAIR, don't use the realpath-ed name, as this may fail if the table has symlinked files (maria_open() would try to find the data and index file in the directory of unique_file_name, it would fail if data and index files are in different dirs); use the unresolved name, open_file_name, which is the argument which was passed to the maria_open() which created 'info'. storage/maria/ma_close.c: assert that when a statement is done with a table, it cleans up storage/maria/ma_create.c: new name storage/maria/ma_delete_all.c: * using now_transactional * no reason to reset create_rename_lsn during delete_all (a bug); also no reason to do it during repair: it was put there because a positive create_rename_lsn caused a call to check_and_set_lsn() which asserted in DBUG_ASSERT(block->type == PAGECACHE_LSN_PAGE); first solution was to use LSN_IMPOSSIBLE in _ma_unpin_all_pages() if not transactional; but then in the case of ALTER TABLE, with transactionality temporarily disabled, it asserted in DBUG_ASSERT(LSN_VALID(lsn)) in pagecache_fwrite() (PAGECACHE_LSN_PAGE page with zero LSN - bad). The additional solution is to use PAGECACHE_PLAIN_PAGE when we disable transactionality temporarily: this avoids checks on the LSN, and also bypasses (optimization) the "flush log up to LSN" call when the pagecache flushes our page (in other words, no WAL needed). storage/maria/ma_delete_table.c: use now_transactional storage/maria/ma_locking.c: assert that when a statement is done with a table, it cleans up. storage/maria/ma_loghandler.c: * now_transactional should be used to test if we want a log record. * Assertions to make sure dummy_transaction_object is not spoilt by its many users. storage/maria/ma_open.c: base.transactional -> base.born_transactional storage/maria/ma_pagecache.c: missing name for page's type. Comment for future. storage/maria/ma_rename.c: use now_transactional storage/maria/maria_chk.c: use born_transactional storage/maria/maria_def.h: MARIA_BASE_INFO::transactional renamed to born_transactional. MARIA_SHARE::now_transactional introduced. _ma_repair_write_log_record() is made local to ma_check.c. Macros to temporarily disable, and re-enable, transactionality for a table. storage/maria/maria_read_log.c: assertions and using the new macros. Adding a forgotten resetting when we finally close all tables. |
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unknown
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631ecaabea |
Merged with mysql-5.1 main tree.
BUILD/compile-pentium-debug-max: Added definition after macro was removed from main tree. This will be fixed back in main tree later. |
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unknown
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e2904e77f1 |
Merge bk-internal.mysql.com:/home/bk/mysql-maria
into mysql.com:/home/my/mysql-maria include/maria.h: Auto merged sql/handler.h: Auto merged storage/maria/ha_maria.cc: Auto merged storage/maria/ma_close.c: Auto merged storage/maria/ma_loghandler.c: Auto merged storage/maria/ma_open.c: Auto merged storage/maria/ma_pagecache.c: Auto merged storage/maria/ma_pagecache.h: Auto merged storage/maria/maria_chk.c: Auto merged storage/maria/ma_blockrec.c: Manual merge (No changes) storage/maria/ma_check.c: Manual merge storage/maria/ma_create.c: Manual merge storage/maria/ma_delete_all.c: Manual merge storage/maria/ma_init.c: Manual merge (no changes) storage/maria/ma_test_all.sh: Manual merge storage/maria/maria_def.h: Manual merge |
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unknown
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d6f2fda680 |
Fixed REPAIR/CHECK/ANALYZE TABLE for tables with new BLOCK-ROW format.
Fixed maria_chk to repair BLOCK-ROW tables. Added CREATE options ROW_FORMAT=PAGE & TRANSACTIONAL= 0|1 More DBUG information in a lot of functions Some minor code cleanups Enable handler errors earlier for better clear text error messages at handler startup / standalone usage. Don't print NULL strings in my_create_with_symlink(); Fixes core dump when used with --debug include/maria.h: Added extra variables needed for REPAIR with BLOCK records include/my_base.h: Added argument for opening copy of maria table without a shared object include/my_handler.h: Prototypes for my_handler_error_register() & my_handler_error_unregister() include/pagecache.h: Added PAGECACHE_READ_UNKNOWN_PAGE mysql-test/include/ps_conv.inc: Enforce creation of table as MyISAM (to allow one to use --default-storage-engine) mysql-test/r/maria.result: Moved some things to maria-connect.test Updared results as REPAIR now works Added tests for creation option TRANSACTIONAL mysql-test/r/ps_2myisam.result: Enforce creation of table as MyISAM (to allow one to use --default-storage-engine) mysql-test/r/ps_3innodb.result: Enforce creation of table as MyISAM (to allow one to use --default-storage-engine) mysql-test/r/ps_4heap.result: Enforce creation of table as MyISAM (to allow one to use --default-storage-engine) mysql-test/r/ps_5merge.result: Enforce creation of table as MyISAM (to allow one to use --default-storage-engine) mysql-test/r/ps_7ndb.result: Enforce creation of table as MyISAM (to allow one to use --default-storage-engine) mysql-test/r/ps_maria.result: Enforce creation of table as MyISAM (to allow one to use --default-storage-engine) mysql-test/t/maria.test: Moved some things to maria-connect.test Updared results as REPAIR now works Added tests for creation option TRANSACTIONAL mysys/mf_iocache.c: More debugging mysys/mf_tempfile.c: Added missing close() mysys/my_error.c: init_glob_errs() is now done in my_init() mysys/my_handler.c: Added functions to initialize handler error messages mysys/my_init.c: Moevd init_glob_errs() here. mysys/my_open.c: More comments More debugging Code cleanup (join multiple code paths) and indentation fixes. No change in logic. mysys/my_symlink2.c: Don't print NULL strings sql/handler.cc: Added printing of PAGE row type Moved out initializing of handler errors to allow handler to give better error messages at startup sql/handler.h: ROW_TYPE_PAGES -> ROW_TYPE_PAGE sql/lex.h: Added 'PAGE' and 'TRANSACTIONAL' sql/mysqld.cc: Initialize handler error messages early to get better error messages from handler startup sql/sql_show.cc: ROW_TYPE_PAGES -> ROW_TYPE_PAGE sql/sql_table.cc: Removed not needed initializer sql/sql_yacc.yy: Added CREATE options ROW_FORMAT=PAGE and TRANSACTIONAL=[0|1] sql/table.cc: Store transactional flag in .frm More comments sql-bench/example: Better example sql/table.h: Added transactional table option storage/maria/ha_maria.cc: More debug information Enable REPAIR Detect usage of TRANSACTIONAL table option storage/maria/ma_bitmap.c: More comments (from Guilhem) storage/maria/ma_blockrec.c: SANITY_CHECK -> SANITY_CHECKS (fixed typo) Write out pages on delete even if there is no rows. (Fixed problem with REPAIR) Removed some ASSERTS to runtime checks (for better REPAIR) Fixed bug when scanning rows More DBUG information storage/maria/ma_check.c: Partial rewrite to allow REPAIR of BLOCK/PAGE format. Repair of BLOCK format rows is for now only done with 'maria_repair()' (= repair through key cache) The new logic to repair rows with BLOCK format is: - Create new, unrelated MARIA_HA of the table - Create new datafile and associate it with new handler - Reset all statistic information in new handler - Copy all data to new handler with normal write operations - Move state of new handler to old handler - Close new handler - Close data file in old handler - Rename old data file to new data file. - Reopen data file in old handler storage/maria/ma_close.c: REmoved not needed block storage/maria/ma_create.c: Swap arguments to _ma_initialize_data_file() storage/maria/ma_delete_all.c: Split maria_delete_all_rows() to two functions to allow REPAIR to easily reset all status information. storage/maria/ma_dynrec.c: Added checksum argument to _ma_rec_check (multi-thread fix) storage/maria/ma_info.c: Indentation fix storage/maria/ma_init.c: Register error message to get better error message on init and when using as standalone module. storage/maria/ma_loghandler.c: Fixed typo that disabled some error detection by valgrind storage/maria/ma_open.c: Added 'calc_check_checksum()' Don't log things during repair Added option HA_OPEN_COPY to allow one to open a Maria table with an independent share (required by REPAIR) storage/maria/ma_pagecache.c: Fixed some compiler warnings Added support for PAGECACHE_READ_UNKNOWN_PAGE (used for scanning file without knowing page types) storage/maria/ma_test_all.sh: More test of REPAIR storage/maria/ma_update.c: Optimized checksum code storage/maria/maria_chk.c: Use DBUG_SET_INITIAL() to get DBUG to work with --parallel-repair Ensure we always use maria_repair() for BLOCK format (for now) More DBUG information storage/maria/maria_def.h: For now, always run with more checkings (SANITY_CHECKS) Added share->calc_check_checksum to be used with REPAIR / CHECK table. Swaped arguments to _ma_initialize_data_file() storage/myisam/ft_stopwords.c: Added DBUG information mysql-test/r/maria-connect.result: New BitKeeper file ``mysql-test/r/maria-connect.result'' mysql-test/t/maria-connect.test: New BitKeeper file ``mysql-test/t/maria-connect.test'' |
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unknown
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4b1fe65b5f |
WL#3239 "log CREATE TABLE in Maria": write the log record _before_
creating the data file, and sync this log, so that the table cannot be used if log record didn't reach disk. The same way, we force the log in DROP/RENAME TABLE. Also in REPAIR TABLE though logging in this case is not polished. Making DELETE FROM t <no WHERE> atomic: we log the record before starting the operation, and will finish this op at Recovery if needed. storage/maria/ma_check.c: comment. Force the log record for the log to have a complete history. storage/maria/ma_create.c: better conformance to the text of WL#3239 "log CREATE TABLE in Maria": write the log record before creating the data file. This ensures that the log can be applied to an old backup in all circumstances. errpos=2 was wrong. storage/maria/ma_delete_all.c: making DELETE FROM t <no WHERE> atomic: we log the record before starting the operation, and will finish the operation at Recovery if needed. Thus there is no need to force files to disk. storage/maria/ma_delete_table.c: forcing the log before dropping a table, so that the log has the entire history. storage/maria/ma_loghandler.c: LOGREC_REDO_DELETE_ALL needs to set trn's rec_lsn so that the log's low-water mark and Checkpoint retain this record until the delete operation has finished. storage/maria/ma_rename.c: force the log before renaming a table, so that the log has a complete history. |
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unknown
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0cf96a3206 |
WL#3072 - Maria recovery
For this scenario: server crashes (could be because a table is corrupted) and Recovery repeatedly crashes on this table. User repairs it with maria_chk (as REPAIR TABLE is not possible), restarts the server, Recovery runs: for Recovery to not apply old REDOs to this repaired table (which would fail: rows have moved), maria_chk sets create_rename_lsn to the max value. Later when the server opens the table via ha_maria, it sets the LSN to the correct current value. storage/maria/ma_check.c: using helper function storage/maria/ma_create.c: A new helper function which stores the create_rename_lsn into the table's header on disk when we cannot wait for this to happen naturally at a later _ma_state_info_write(). storage/maria/ma_delete_all.c: using helper function; so log_data now can be FILEID_STORE_SIZE. storage/maria/ma_open.c: When opening a transactional table in the server, we discover if it has been repaired with maria_chk and if yes, give it a correct create_rename_lsn. storage/maria/ma_rename.c: using helper function storage/maria/maria_chk.c: By setting create_rename_lsn to the maximum possible LSN, maria_chk ensures that old REDOs are not applied to the new table it is going to produce. storage/maria/maria_def.h: new helper function |
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unknown
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1a96259191 |
- WL#3239 "log CREATE TABLE in Maria"
- WL#3240 "log DROP TABLE in Maria" - similarly, log RENAME TABLE, REPAIR/OPTIMIZE TABLE, and DELETE no_WHERE_clause (== the DELETE which just truncates the files) - create_rename_lsn added to MARIA_SHARE's state - all these operations (except DROP TABLE) also update the table's create_rename_lsn, which is needed for the correctness of Recovery (see function comment of _ma_repair_write_log_record() in ma_check.c) - write a COMMIT record when transaction commits. - don't log REDOs/UNDOs if this is an internal temporary table like inside ALTER TABLE (I expect this to be a big win). There was already no logging for user-created "CREATE TEMPORARY" tables. - don't fsync files/directories if the table is not transactional - in translog_write_record(), autogenerate a 2-byte-id for the table and log the "id->name" pair (LOGREC_FILE_ID); log LOGREC_LONG_TRANSACTION_ID; automatically store the table's 2-byte-id in any log record. - preparations for Checkpoint: translog_get_horizon(); pausing Checkpoint when some dirty pages are unknown; capturing trn->rec_lsn, trn->first_undo_lsn for Checkpoint and log's low-water-mark computing. - assertions, comments. storage/maria/Makefile.am: more files to build storage/maria/ha_maria.cc: - logging a REPAIR log record if REPAIR/OPTIMIZE was successful. - ha_maria::data_file_type does not have to be set in every info() call, just do it once in open(). - if caller said that transactionality can be disabled (like if caller is ALTER TABLE) i.e. thd->transaction.on==FALSE, then we temporarily disable transactionality of the table in external_lock(); that will ensure that no REDOs/UNDOs are logged for this possibly massive write operation (they are not needed, as if any write fails, the table will be dropped). We re-enable in external_lock(F_UNLCK), which in ALTER TABLE happens before the tmp table replaces the original one (which is good, as thus the final table will have a REDO RENAME and a correct create_rename_lsn). - when we commit we also have to write a log record, so trnman_commit_trn() calls become ma_commit() calls - at end of engine's initialization, we are potentially entering a multi-threaded dangerous world (clients are going to be accepted) and so some assertions of mutex-owning become enforceable, for that we set maria_multi_threaded=TRUE (see ma_control_file.c) storage/maria/ha_maria.h: new member ha_maria::save_transactional (see also ha_maria.cc) storage/maria/ma_blockrec.c: - fixing comments according to discussion with Monty - if a table is transactional but temporarily non-transactional (like in ALTER TABLE), we need to give a sensible LSN to the pages (and, if we give 0, pagecache asserts). - translog_write_record() now takes care of storing the share's 2-byte-id in the log record storage/maria/ma_blockrec.h: fixing comment according to discussion with Monty storage/maria/ma_check.c: When REPAIR/OPTIMIZE modify the data/index file, if this is a transactional table, they must sync it; if they remove files or rename files, they must sync the directory, so that everything is durable. This is just applying to REPAIR/OPTIMIZE the logic already implemented in CREATE/DROP/RENAME a few months ago. Adding a function to write a LOGREC_REPAIR_TABLE at end of REPAIR/OPTIMIZE (called only by ha_maria, not by maria_chk), and to update the table's create_rename_lsn. storage/maria/ma_close.c: fix for a future bug storage/maria/ma_control_file.c: ensuring that if Maria is running in multi-threaded mode, anybody wanting to write to the control file and update last_checkpoint_lsn/last_logno owns the log's lock. storage/maria/ma_control_file.h: see ma_control_file.c storage/maria/ma_create.c: when creating a table: - sync it and its directory only if this is a transactional table and there is a log (no point in syncing in maria_chk) - decouple the two uses of linkname/linkname_ptr (for index file and for data file) into more variables, as we need to know all links until the moment we write the LOGREC_CREATE_TABLE. - set share.data_file_type early so that _ma_initialize_data_file() knows it (Monty's bugfix so that a table always has at least a bitmap page when it is created; so data-file is not 0 bytes anymore). - log a LOGREC_CREATE_TABLE; it contains the bytes which we have just written to the index file's header. Update table's create_rename_lsn. - syncing of kfile had been bugified in a previous merge, correcting - syncing of dfile is now needed as it's not empty anymore - in _ma_initialize_data_file(), use share's block_size and not the global one. This is a gratuitous change, both variables are equal, just that I find it more future-proof to use share-bound variable rather than global one. storage/maria/ma_delete_all.c: log a LOGREC_DELETE_ALL record when doing ma_delete_all_rows(); update create_rename_lsn then. storage/maria/ma_delete_table.c: - logging LOGREC_DROP_TABLE; knowing if this is needed, requires knowing if the table is transactional, which requires opening the table. - we need to sync directories only if the table is transactional storage/maria/ma_extra.c: questions storage/maria/ma_init.c: when maria_end() is called, engine is not multithreaded storage/maria/ma_loghandler.c: - translog_inited has to be visible to ma_create() (see how it is used in ma_create()) - checkpoint record will be a single record, not three - no REDO for TRUNCATE (TRUNCATE calls ma_create() internally so will log a REDO_CREATE) - adding REDO for DELETE no_WHERE_clause (fast DELETE of all rows by truncating the files), REPAIR. - MY_WAIT_IF_FULL to wait&retry if a log write hits a full disk - in translog_write_record(), if MARIA_SHARE does not yet have a 2-byte-id, generate one for it and log LOGREC_FILE_ID; automatically store this short id into log records. - in translog_write_record(), if transaction has not logged its long trid, log LOGREC_LONG_TRANSACTION_ID. - For Checkpoint, we need to know the current end-of-log: adding translog_get_horizon(). - For Control File, adding an assertion that the thread owns the log's lock (control file is protected by this lock) storage/maria/ma_loghandler.h: Changes in log records (see ma_loghandler.c). new prototypes, new functions. storage/maria/ma_loghandler_lsn.h: adding a type LSN_WITH_FLAGS especially for TRN::first_undo_lsn, where the most significant byte is used for flags. storage/maria/ma_open.c: storing the create_rename_lsn in the index file's header (in the state, precisely) and retrieving it from there. storage/maria/ma_pagecache.c: - my set_if_bigger was wrong, correcting it - if the first_in_switch list is not empty, it means that changed_blocks misses some dirty pages, so Checkpoint cannot run and needs to wait. A variable missing_blocks_in_changed_list is added to tell that (should it be named missing_blocks_in_changed_blocks?) - pagecache_collect_changed_blocks_with_lsn() now also tells the minimum rec_lsn (needed for low-water mark computation). storage/maria/ma_pagecache.h: see ma_pagecache.c storage/maria/ma_panic.c: comment storage/maria/ma_range.c: comment storage/maria/ma_rename.c: - logging LOGREC_RENAME_TABLE; knowing if this is needed, requires knowing if the table is transactional, which requires opening the table. - update create_rename_lsn - we need to sync directories only if the table is transactional storage/maria/ma_static.c: comment storage/maria/ma_test_all.sh: - tip for Valgrind-ing ma_test_all - do "export maria_path=somepath" before calling ma_test_all, if you want to run ma_test_all out of storage/maria (useful to have parallel runs, like one normal and one Valgrind, they must not use the same tables so need to run in different directories) storage/maria/maria_def.h: - state now contains, in memory and on disk, the create_rename_lsn - share now contains a 2-byte-id storage/maria/trnman.c: preparations for Checkpoint: capture trn->rec_lsn, trn->first_undo_lsn; minimum first_undo_lsn needed to know log's low-water-mark storage/maria/trnman.h: using most significant byte of first_undo_lsn to hold miscellaneous flags, for now TRANSACTION_LOGGED_LONG_ID. dummy_transaction_object is already declared in ma_static.c. storage/maria/trnman_public.h: dummy_transaction_object was declared in all files including trnman_public.h, while in fact it's a single object. new prototype storage/maria/unittest/ma_test_loghandler-t.c: update for new prototype storage/maria/unittest/ma_test_loghandler_multigroup-t.c: update for new prototype storage/maria/unittest/ma_test_loghandler_multithread-t.c: update for new prototype storage/maria/unittest/ma_test_loghandler_pagecache-t.c: update for new prototype storage/maria/ma_commit.c: function which wraps: - writing a LOGREC_COMMIT record (==commit on disk) - calling trnman_commit_trn() (=commit in memory) storage/maria/ma_commit.h: new header file .tree-is-private: this file is now needed to keep our tree private (don't push it to public trees). When 5.1 is merged into mysql-maria, we can abandon our maria-specific post-commit trigger; .tree_is_private will take care of keeping commit mails private. Don't push this file to public trees. |
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unknown
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fdfb51484c |
Fixed compiler warnings
Fixed bug in ma_dbug.c that gave valgrind warning (only relevant when using --debug) Fixed bug in blob logging (Fixes valgrind warning) maria_getint() -> maria_data_on_page() mysys/safemalloc.c: Added debug function to print out where a piece of memory was allocated sql/opt_range.cc: Remove DBUG_PRINT of unitailized memory storage/maria/ma_blockrec.c: Fixed bug in blob logging storage/maria/ma_check.c: Fixed compiler warning storage/maria/ma_dbug.c: Added missed end++; Caused usage of unitialized memory for nullable keys that was not NULL storage/maria/ma_delete.c: maria_getint() -> maria_data_on_page() storage/maria/ma_init.c: Added header file to get rid of warning storage/maria/ma_key.c: More debugging storage/maria/ma_loghandler.c: Removed some wrong ';' to get rid of compiler errors when compiling without debugging Indentation fixes Removed not needed 'break's Fixed some compiler warnings Added code to detect logging of unitialized memory storage/maria/ma_page.c: maria_getint() -> maria_data_on_page() Clear rest of index page before writing when used with valgrind (Fixes warning of writing pages with unitialized data) storage/maria/ma_range.c: maria_getint() -> maria_data_on_page() storage/maria/ma_rt_index.c: maria_getint() -> maria_data_on_page() storage/maria/ma_rt_index.h: maria_getint() -> maria_data_on_page() storage/maria/ma_rt_key.c: maria_getint() -> maria_data_on_page() storage/maria/ma_rt_split.c: maria_getint() -> maria_data_on_page() storage/maria/ma_search.c: maria_getint() -> maria_data_on_page() storage/maria/ma_test1.c: Fixed compiler warning storage/maria/ma_write.c: maria_getint() -> maria_data_on_page() storage/maria/maria_chk.c: maria_getint() -> maria_data_on_page() storage/maria/maria_def.h: maria_getint() -> maria_data_on_page() storage/maria/unittest/ma_pagecache_consist.c: Fixed compiler warning storage/maria/unittest/ma_pagecache_single.c: Fixed compiler warning storage/maria/unittest/ma_test_loghandler-t.c: Fixed compiler warning storage/maria/unittest/ma_test_loghandler_multigroup-t.c: Fixed compiler warning storage/maria/unittest/ma_test_loghandler_multithread-t.c: Fixed compiler warning storage/maria/unittest/ma_test_loghandler_pagecache-t.c: Fixed compiler warning storage/myisam/mi_dbug.c: Added missed end++; Caused usage of unitialized memory for nullable keys that was not NULL |
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unknown
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ffe437be41 |
Fixed that ma_test_all works with -T (simple transaction/logging support)
Some fixes from Sanja BitKeeper/etc/ignore: added storage/maria/maria_log.* include/pagecache.h: Always have enum PAGECACHE_EMPTY_PAGE available (Simpler code) storage/maria/ma_bitmap.c: Reset 'debugging' bitmap when creating new one (fixes valgrind warning) storage/maria/ma_blockrec.c: Removed duplicate (wrong) initialization Reset not initialized variable storage/maria/ma_check.c: Use right page type (Patch from Sanja) storage/maria/ma_init.c: Reset logging in maria_end() (Fixes memory leak) storage/maria/ma_loghandler.c: Add missing copyright header Added checking of duplicate calls or calls without init to translog_destroy() Don't lock mutex before destroying them (not needed as you can't use a destroyed mutex anyway) storage/maria/ma_pagecache.c: Added extra page type text Trivial indentation fixes storage/maria/ma_test1.c: Added transaction setup (Patch from Sanja) storage/maria/ma_test2.c: Added transaction setup (Patch from Sanja) |
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unknown
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8f39541e7d |
This patch is a collection of patches from from Sanja, Sergei and Monty.
Added logging and pinning of pages to block format. Integration of transaction manager, log handler. Better page cache intergration Split trnman.h into two files, so that we don't have to include my_atomic.h into C++ programs. Renaming of structures, more comments, more debugging etc. Fixed problem with small head block + long varchar. Added extra argument to delete_record() and update_record() (needed for UNDO logging) Small changes to interface of pagecache and log handler. Change initialization of log_record_type_descriptors to not be depending on enum order. Use array of LEX_STRING's to send data to log handler Added 'dummy' transaction option to MARIA_INFO so that we can always assume 'trn' exists. include/lf.h: Interface fixes Rename of structures (Patch from Sergei via Sanja) include/my_atomic.h: More comments include/my_global.h: Added MY_ERRPTR include/pagecache.h: Added undo LSN when unlocking pages mysql-test/r/maria.result: Updated results mysql-test/t/maria.test: Added autocommit around lock tables (Patch from Sanja) mysys/lf_alloc-pin.c: Post-review fixes, simple optimizations More comments Struct slot renames Check amount of memory on stack (Patch from Sergei) mysys/lf_dynarray.c: More comments mysys/lf_hash.c: More comments After review fixes (Patch from Sergei) storage/maria/ha_maria.cc: Split trnman.h into two files, so that we don't have to include my_atomic.h into the .cc program. (Temporary fix to avoid bug in gcc) Move out all deferencing of the transaction structure. Transaction manager integrated (Patch from Sergei) storage/maria/ha_maria.h: Added prototype for start_stmt() storage/maria/lockman.c: Function call rename storage/maria/ma_bitmap.c: Mark deleted pages free from page cache storage/maria/ma_blockrec.c: Offset -> rownr More debugging Fixed problem with small head block + long varchar Added logging of changed pages Added logging of undo (Including only loggging of changed fields in case of update) Added pinning/unpinning of all changed pages More comments Added free_full_pages() as the same code was used in several places. fill_rows_parts() renamed as fill_insert_undo_parts() offset -> rownr Added some optimization of not transactional tables _ma_update_block_record() has new parameter, as we need original row to do efficent undo for update storage/maria/ma_blockrec.h: Added ROW_EXTENTS_ON_STACK Changed prototype for update and delete of row storage/maria/ma_check.c: Added original row to delete_record() call storage/maria/ma_control_file.h: Added ifdefs for C++ storage/maria/ma_delete.c: Added original row to delete_record() call (Needed for efficent undo logging) storage/maria/ma_dynrec.c: Added extra argument to delete_record() and update_record() Removed not used variable storage/maria/ma_init.c: Initialize log handler storage/maria/ma_loghandler.c: Removed not used variable Change initialization of log_record_type_descriptors to not be depending on enum order Use array of LEX_STRING's to send data to log handler storage/maria/ma_loghandler.h: New defines Use array of LEX_STRING's to send data to log handler storage/maria/ma_open.c: Added 'dummy' transaction option to MARIA_INFO so that we can always assume 'trn' exists. Store in MARIA_SHARE->page_type if pages will have up to date LSN's storage/maria/ma_pagecache.c: Don't decrease number of readers when using pagecache_write()/pagecache_read() In pagecache_write() decrement request count if page was left pinned Added pagecache_delete_pages() Removed some casts Make trace output consistent with rest of code Simplify calling of DBUG_ASSERT(0) Only update LSN if the LSN is bigger than what's already on the page Added LSN parameter pagecache_unpin_page(), pagecache_unpin(), and pagecache_unlock() (Part of patch from Sanja) storage/maria/ma_static.c: Added 'dummy' transaction option to MARIA_INFO so that we can always assume 'trn' exists. Added default page cache storage/maria/ma_statrec.c: Added extra argument to delete_record() and update_record() storage/maria/ma_test1.c: Added option -T for transactions storage/maria/ma_test2.c: Added option -T for transactions storage/maria/ma_test_all.sh: Test with transactions storage/maria/ma_update.c: Changed prototype for update of row storage/maria/maria_def.h: Changed prototype for update & delete of row as block records need to access the old row Store in MARIA_SHARE->page_type if pages will have up to date LSN's Added MARIA_MAX_TREE_LEVELS to allow us to calculate the number of possible pinned pages we may need. Removed not used 'empty_bits_buffer' Added pointer to transaction object Added array for pinned pages Added log_row_parts array for logging of field data. Added MARIA_PINNED_PAGE to store pinned pages storage/maria/trnman.c: Added accessor functions to transaction object Added missing DBUG_RETURN() More debugging More comments Changed // comment of code to #ifdef NOT_USED Transaction manager integrated. Post review fixes Part of patch originally from Sergei storage/maria/trnman.h: Split trnman.h into two files, so that we don't have to include my_atomic.h into the .cc program. (Temporary fix to avoid bug in gcc) storage/maria/unittest/ma_pagecache_single.c: Added missing argument Added SKIP_BIG_TESTS (Patch from Sanja) storage/maria/unittest/ma_test_loghandler-t.c: Test logging with new LEX_STRING parameter (Patch from Sanja) storage/maria/unittest/ma_test_loghandler_multigroup-t.c: Test logging with new LEX_STRING parameter (Patch from Sanja) storage/maria/unittest/ma_test_loghandler_multithread-t.c: Test logging with new LEX_STRING parameter (Patch from Sanja) storage/maria/unittest/ma_test_loghandler_pagecache-t.c: Test logging with new LEX_STRING parameter (Patch from Sanja) storage/maria/unittest/trnman-t.c: Stack overflow detection (Patch from Sergei) unittest/unit.pl: Command-line options --big and --verbose (Patch from Sergei) unittest/mytap/tap.c: Detect --big (Patch from Sergei) unittest/mytap/tap.h: Skip_big_tests and SKIP_BIG_TESTS (Patch from Sergei) storage/maria/trnman_public.h: New BitKeeper file ``storage/maria/trnman_public.h'' |
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unknown
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6686a3ee53 |
After merge fixes
Read blocks through page cache in check_block_record() Don't read first bitmap on ma_open() Don't require that a files block_size is equal to maria_block_size, if page cache is not setup yet. Changed ma_test1, ma_test2, maria_chk and maria_pack to always create a page cache. The above fixes so that ma_test_all now works again BitKeeper/etc/ignore: added storage/maria/unittest/ma_pagecache_consist_1k-t-big storage/maria/unittest/ma_pagecache_consist_1kHC-t-big storage/maria/unittest/ma_pagecache_consist_1kRD-t-big storage/maria/unittest/ma_pagecache_consist_1kWR-t-big storage/maria/unittest/ma_pagecache_consist_64k-t-big storage/maria/unittest/ma_pagecache_consist_64kHC-t-big storage/maria/unittest/ma_pagecache_consist_64kRD-t-big storage/maria/unittest/ma_pagecache_consist_64kWR-t-big storage/maria/unittest/ma_pagecache_single_64k-t-big include/maria.h: Added MARIA_MIN_PAGE_CACHE_SIZE include/pagecache.h: Filedescriptors should be of type File storage/maria/ma_bitmap.c: After merge fixes Create dummy bitmap on startup (can't read first bitmap becasue page cache may not be set up yet) storage/maria/ma_blockrec.c: After merge fixes storage/maria/ma_check.c: Use page cache to read rows-in-block rows. Don't initialize page cache; It's now done in maria_chk storage/maria/ma_dynrec.c: Trivial code reorganization storage/maria/ma_open.c: Don't give error for conflicting block size if page cache is not initalized. (Needed for maria_chk to be able to work on tables with different page sizes) After merge fixes storage/maria/ma_page.c: Fix compiler warning Remove net needed asserts (Guranteed by ma_create()) storage/maria/ma_pagecache.c: Allow one to create a page cache with just one block (For trivail scan of table) Trivial code simplication storage/maria/ma_test1.c: Always create a page cache (Maria now requires a page cache to work) storage/maria/ma_test2.c: Always create a page cache (Maria now requires a page cache to work) storage/maria/maria_chk.c: Remove command line options --maria_block_size and --pagecache_block_size. Set the global maria_block_size from the data file. This allows maria_chk to work with tables of different block sizes. Simply DESCRIPT handling; Allows us to remove one indentation level in maria_chk(). Always initialize page cache if we are doing check/repair. (Most of the patch is reindentation of the code) storage/maria/maria_def.h: After merge fix storage/maria/maria_pack.c: Set maria_block_size based on the files block_size. Initalize page cache (needed for getting rows-in-blocks to works) |
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unknown
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ac0f98dd5e |
Merge bk-internal.mysql.com:/home/bk/mysql-maria
into mysql.com:/home/my/mysql-maria include/maria.h: Auto merged storage/maria/ha_maria.cc: Auto merged storage/maria/ma_bitmap.c: Auto merged storage/maria/ma_check.c: Auto merged storage/maria/ma_dynrec.c: Auto merged storage/maria/ma_info.c: Auto merged storage/maria/ma_open.c: Auto merged storage/maria/ma_packrec.c: Auto merged storage/maria/ma_page.c: Auto merged storage/maria/ma_test1.c: Auto merged storage/maria/ma_test2.c: Auto merged storage/maria/ma_write.c: Auto merged storage/maria/maria_chk.c: Auto merged storage/maria/maria_pack.c: Auto merged storage/maria/ma_blockrec.c: Manual merge storage/maria/ma_close.c: Manual merge storage/maria/maria_def.h: Manual merge |
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unknown
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eb7d9500a9 |
Fixes after review of guilhem of block record patch
Short overview: Changed a lot of variable, functions, defines and struct elements to use more readable names More comments (mostly function and structure slot comments) Other things: Changed 'USE_WHOLE_KEY' to a big number to not interfer with long keys Ensure that tail block are at least of size 'MIN_TAIL_SIZE' Allow longer keys and key parts than before (don't limit Maria interface by HA_MAX_KEY_LENGTH) Use ma_chsize() to write initial bitmap page Added checking if using file with wrong block_size Added issing types to type_names[] (for maria_chk -d) Added maria_max_key_length() include/maria.h: Changed maria_portable_size_char_ptr to portable_size_char_ptr and moved it to my_handler.h Removed not used variable maria_delay_rec_write. More comments include/my_handler.h: Added portable_sizeof_char_ptr include/myisam.h: Changed mi_portable_size_char_ptr to portable_size_char_ptr and moved it to my_handler.h mysql-test/r/maria.result: Fix results when we now have a longer key length mysql-test/t/maria.test: More tests mysys/my_pread.c: Code cleanup sql/net_serv.cc: Changed warning to note (as in main 5.1 tree) to avoid not critical failing tests sql/sql_select.cc: Use portable_sizeof_char_ptr storage/maria/ha_maria.cc: Added max_supported_key_length(), as this is not a trival function anymore storage/maria/ha_maria.h: Moved max_supported_key_length(), as this is not a trival function anymore storage/maria/ma_bitmap.c: Lots of new comments Added maria_bitmap_marker[] to mark 2 last bytes of each bitmap (for corruption detection) Trivial code changes (based on review comments) storage/maria/ma_blockrec.c: More code comments Renamed _block_row() functions to _block_record() Trivial code changes, based on review comments Moved Code from maria_close() to _ma_end_block_record() Some function renames to make things more understandable DIR_ENTRY_OFFSET -> DIR_COUNT_OFFSET keybuff_used -> keyread_buff_used ma_recordpos_to_offset -> ma_recordpos_to_dir_entry Changed some 'rec' named variables to 'column'. Ensure that tail block are at least of size 'MIN_TAIL_SIZE' storage/maria/ma_blockrec.h: More comments DIRCOUNT_SIZE -> DIR_COUNT_SIZE Added define for maira_bitmap_marker[] ma_recordpos_to_offset -> ma_recordpos_to_dir_entry xxx_block_row() -> xxx_block_record() Made _ma_read_bitmap_page() static storage/maria/ma_check.c: More comments ma_recordpos_to_offset() -> ma_recordpos_to_dir_entry() DIR_ENTRY_OFFSET -> DIR_COUNT_OFFSET rec variables -> column variables recdef -> columndef storage/maria/ma_checksum.c: rec -> column Avoid an 'if' in _ma_checksum() for the common case storage/maria/ma_close.c: Moved resetting of info->dfile to ma_end_once_block_record() storage/maria/ma_create.c: Some variable changes to make things more readable: recinfo -> columndef rec -> column rec_end -> end_column record_type -> datafile_type ma_recinfo_write() -> ma_columndef_write() Fixed wrong setting of 'data_file_length'; Now max_rows should be calculated correctly New check if too long key. Use ma_chsize() to write bitmap page. storage/maria/ma_delete.c: keybuff_used -> keyread_buff_used storage/maria/ma_dynrec.c: rec -> columndef rec_length -> column_length maria_portable_sizeof_char_ptr -> portable_sizeof_char_ptr Better comment for _ma_read_rnd_dynamic_record() storage/maria/ma_ft_eval.c: maria_portable_sizeof_char_ptr -> portable_sizeof_char_ptr storage/maria/ma_ft_test1.c: maria_portable_sizeof_char_ptr -> portable_sizeof_char_ptr storage/maria/ma_ft_update.c: keybuff_used -> keyread_buff_used storage/maria/ma_info.c: More comments storage/maria/ma_open.c: Added checking if using file with wrong block_size New checking of max_key_length rec -> columndef _ma_recinfo_write -> _ma_columndef_write Don't change block_size (as this is checked in ma_create()) More comments storage/maria/ma_packrec.c: Trivial code changes rec -> columndef maria_portable_sizeof_char_ptr -> portable_sizeof_char_ptr storage/maria/ma_page.c: keybuff_used -> keyread_buff_used storage/maria/ma_rkey.c: Removed not needded empty line storage/maria/ma_rrnd.c: Removed not used variable storage/maria/ma_rt_index.c: keybuff_used -> keyread_buff_used storage/maria/ma_search.c: keybuff_used -> keyread_buff_used Trivial code changes storage/maria/ma_sp_test.c: maria_portable_sizeof_char_ptr -> portable_sizeof_char_ptr storage/maria/ma_test1.c: maria_portable_sizeof_char_ptr -> portable_sizeof_char_ptr storage/maria/ma_test2.c: maria_portable_sizeof_char_ptr -> portable_sizeof_char_ptr storage/maria/ma_update.c: Updated comment storage/maria/ma_write.c: keybuff_used -> keyread_buff_used storage/maria/maria_chk.c: Added missing types to type_names[] Removed not used variable rec -> columndef Replaced some numbers with define flags storage/maria/maria_def.h: More comments Added 'MARIA_INDEX_MIN_OVERHEAD_SIZE' rec -> columndef keybuff_used -> keyread_buff_used _ma_recinfo_write -> _ma_culumndef_write _ma_recinfo_read -> _ma_columndef_read Changed 'USE_WHOLE_KEY' to a big number to not interfer with long keys Added maria_max_key_length() storage/maria/maria_pack.c: Updated message strings rec -> columndef maria_portable_sizeof_char_ptr -> portable_sizeof_char_ptr More comments storage/myisam/ft_eval.c: mi_portable_sizeof_char_ptr -> portable_sizeof_char_ptr storage/myisam/ft_test1.c: mi_portable_sizeof_char_ptr -> portable_sizeof_char_ptr storage/myisam/mi_checksum.c: mi_portable_sizeof_char_ptr -> portable_sizeof_char_ptr storage/myisam/mi_create.c: mi_portable_sizeof_char_ptr -> portable_sizeof_char_ptr storage/myisam/mi_dynrec.c: mi_portable_sizeof_char_ptr -> portable_sizeof_char_ptr storage/myisam/mi_open.c: mi_portable_sizeof_char_ptr -> portable_sizeof_char_ptr storage/myisam/mi_packrec.c: mi_portable_sizeof_char_ptr -> portable_sizeof_char_ptr storage/myisam/mi_rkey.c: Unlock mutex also in case of error storage/myisam/mi_test1.c: mi_portable_sizeof_char_ptr -> portable_sizeof_char_ptr storage/myisam/mi_test2.c: mi_portable_sizeof_char_ptr -> portable_sizeof_char_ptr storage/myisam/myisampack.c: mi_portable_sizeof_char_ptr -> portable_sizeof_char_ptr storage/myisam/sp_test.c: mi_portable_sizeof_char_ptr -> portable_sizeof_char_ptr support-files/magic: Fixed typo |
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unknown
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e10fe77b0a |
Merge desktop.sanja.is.com.ua:/home/bell/mysql/bk/work-maria.bak
into desktop.sanja.is.com.ua:/home/bell/mysql/bk/work-test include/maria.h: Auto merged mysys/Makefile.am: Auto merged mysys/mf_keycaches.c: Auto merged sql/handler.h: Auto merged sql/mysql_priv.h: Auto merged sql/mysqld.cc: Auto merged sql/set_var.cc: Auto merged sql/set_var.h: Auto merged storage/maria/Makefile.am: Auto merged storage/maria/ha_maria.cc: Auto merged storage/maria/ma_bitmap.c: Auto merged storage/maria/ma_check.c: Auto merged storage/maria/ma_close.c: Auto merged storage/maria/ma_dynrec.c: Auto merged storage/maria/ma_extra.c: Auto merged storage/maria/ma_info.c: Auto merged storage/maria/ma_keycache.c: Auto merged storage/maria/ma_locking.c: Auto merged storage/maria/ma_loghandler.c: Auto merged storage/maria/ma_open.c: Auto merged storage/maria/ma_packrec.c: Auto merged storage/maria/ma_page.c: Auto merged storage/maria/ma_pagecache.c: Auto merged storage/maria/ma_panic.c: Auto merged storage/maria/ma_preload.c: Auto merged storage/maria/ma_static.c: Auto merged storage/maria/ma_test1.c: Auto merged storage/maria/ma_test2.c: Auto merged storage/maria/ma_test3.c: Auto merged storage/maria/ma_write.c: Auto merged storage/maria/maria_chk.c: Auto merged storage/maria/maria_def.h: Auto merged storage/maria/maria_ftdump.c: Auto merged storage/maria/maria_pack.c: Auto merged sql/handler.cc: merge storage/maria/ma_blockrec.c: merge storage/maria/ma_delete_all.c: merge |
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unknown
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5bef77a33b |
Merge bk-internal.mysql.com:/home/bk/mysql-maria
into mysql.com:/home/my/mysql-maria BitKeeper/etc/ignore: auto-union BUILD/SETUP.sh: Auto merged mysql-test/lib/init_db.sql: Auto merged mysql-test/lib/mtr_cases.pl: Auto merged mysql-test/lib/mtr_diff.pl: Auto merged mysql-test/lib/mtr_gcov.pl: Auto merged mysql-test/lib/mtr_gprof.pl: Auto merged mysql-test/lib/mtr_im.pl: Auto merged mysql-test/lib/mtr_io.pl: Auto merged mysql-test/lib/mtr_match.pl: Auto merged mysql-test/lib/mtr_misc.pl: Auto merged mysql-test/lib/mtr_process.pl: Auto merged mysql-test/lib/mtr_report.pl: Auto merged mysql-test/lib/mtr_stress.pl: Auto merged mysql-test/lib/mtr_timer.pl: Auto merged mysql-test/lib/mtr_unique.pl: Auto merged mysql-test/mysql-test-run.pl: Auto merged mysql-test/t/disabled.def: Auto merged mysql-test/t/myisam.test: Auto merged mysql-test/t/query_cache_notembedded.test: Auto merged sql/filesort.cc: Auto merged sql/handler.cc: Auto merged sql/slave.cc: Auto merged sql/slave.h: Auto merged sql/sql_table.cc: Auto merged storage/maria/ha_maria.h: Auto merged storage/maria/ma_bitmap.c: Auto merged storage/maria/ma_blockrec.c: Auto merged storage/maria/ma_blockrec.h: Auto merged storage/maria/ma_check.c: Auto merged storage/maria/ma_checksum.c: Auto merged storage/maria/ma_create.c: Auto merged storage/maria/ma_delete.c: Auto merged storage/maria/ma_delete_all.c: Auto merged storage/maria/ma_extra.c: Auto merged storage/maria/ma_info.c: Auto merged storage/maria/ma_search.c: Auto merged storage/maria/ma_test2.c: Auto merged storage/maria/ma_write.c: Auto merged storage/maria/maria_def.h: Auto merged storage/myisam/mi_create.c: Auto merged storage/myisam/mi_test2.c: Auto merged sql/share/errmsg.txt: Use remote version mysql-test/include/varchar.inc: Manual merge (take changes from remote tree) storage/maria/ha_maria.cc: Manual merge |
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unknown
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0abffa05a6 |
Fixed that maria.test works
BUILD/SETUP.sh: Update from 5.1 include/maria.h: Moved structs into size order mysql-test/include/varchar.inc: Fixed error numbers (as in 5.1) mysql-test/mysql-test-run.pl: Updated from 5.1 Create a dummy mysql.err file if using --valgrind --debug mysql-test/lib/init_db.sql: Update from 5.1 mysql-test/lib/mtr_cases.pl: Update from 5.1 mysql-test/lib/mtr_diff.pl: Update from 5.1 mysql-test/lib/mtr_gcov.pl: Update from 5.1 mysql-test/lib/mtr_gprof.pl: Update from 5.1 mysql-test/lib/mtr_im.pl: Update from 5.1 mysql-test/lib/mtr_io.pl: Update from 5.1 mysql-test/lib/mtr_match.pl: Update from 5.1 mysql-test/lib/mtr_misc.pl: Update from 5.1 mysql-test/lib/mtr_process.pl: Update from 5.1 mysql-test/lib/mtr_report.pl: Update from 5.1 mysql-test/lib/mtr_stress.pl: Update from 5.1 mysql-test/lib/mtr_timer.pl: Update from 5.1 mysql-test/lib/mtr_unique.pl: Update from 5.1 mysql-test/r/maria.result: Updated results. The reason for the new results are: - Maria doesn't support REPAIR TABLE or OPTIMIZE table yet - Some statistics information is different, so MySQL prefers index reads instead of table scans - No support for concurrent writes in the default BLOCK_RECORD mode - No support for different KEY_BLOCK sizes (will not be fixed) mysql-test/t/disabled.def: Enable maria test mysql-test/t/maria.test: No support for concurrent writes in the default BLOCK_RECORD mode No support for different KEY_BLOCK sizes (will not be fixed) mysql-test/t/myisam.test: Fix to be able to run with --extern mysql-test/t/query_cache_notembedded.test: Fix to be able to run with --extern sql/filesort.cc: Fixed compiler warning sql/handler.cc: Use new error message (as in 5.1) sql/share/errmsg.txt: Update error messages (as in 5.1) sql/slave.cc: Fixed compiler warning sql/slave.h: Fixed compiler warning sql/sql_table.cc: Fixed compiler warning storage/maria/ha_maria.cc: Added better scan_time() Disble REPAIR on BLOCK_RECORD tables Added rnd_end() to free memory after scan Don't pack numerical primary keys Don't allow fast alter table if row type changes storage/maria/ha_maria.h: Added get_row_type(), scan_time() and rnd_end() BitKeeper/etc/ignore: Added storage/maria/unittest/mf_pagecache_consist_1k-t-big storage/maria/unittest/mf_pagecache_consist_1kHC-t-big storage/maria/unittest/mf_pagecache_consist_1kRD-t-big storage/maria/unittest/mf_pagecache_consist_1kWR-t-big storage/maria/unittest/mf_pagecache_consist_64k-t-big storage/maria/unittest/mf_pagecache_consist_64kHC-t-big storage/maria/unittest/mf_pagecache_consist_64kRD-t-big storage/maria/unittest/mf_pagecache_consist_64kWR-t-big storage/maria/unittest/mf_pagecache_single_64k-t-big to the ignore list storage/maria/ma_bitmap.c: Fixed some bugs found with maria.test Added more DBUG_PRINT and some more comments storage/maria/ma_blockrec.c: Fixed some bugs found with maria.test Simplified code More comments storage/maria/ma_blockrec.h: Added DBUG_ASSERT() storage/maria/ma_check.c: Don't check record data links with block_records Update state.changed properly storage/maria/ma_checksum.c: Fixed bug in checksum handling (only first field was calculated) storage/maria/ma_create.c: Set rec->fill_length properly Added extra testing needed for BLOCK_RECORD Fixed bug in unlock of not locked mutex Fixed memory leak storage/maria/ma_delete.c: Update state.changed storage/maria/ma_delete_all.c: Update state.changed storage/maria/ma_extra.c: Disable caching of rows if we are using BLOCK_RECORD (scan_init will enable caching of rows when using BLOCK_RECORD) storage/maria/ma_info.c: Added data_file_type storage/maria/ma_search.c: Fixed bug with signed bytes storage/maria/ma_test2.c: Fixed wrong pointer handling (caused crash on 64 bit machines) storage/maria/ma_write.c: Added DBUG_ statements storage/maria/maria_def.h: Added STATE_NOT_OPTIMIZED_ROWS storage/myisam/mi_create.c: Fixed bug with unlocking of not locked mutex (in case of error condition) storage/myisam/mi_test2.c: Fixed wrong pointer handling (caused crash on 64 bit machines) |