commit e759bc64eb5c5eed4f75677ad67246797d486460
Author: Ryan Mack
Date: 3 days ago
Bugfix for 53290, fast unique index creation fails on duplicate null values
Summary:
Bug in the fast index creation code incorrectly considers null
values to be duplicates during block merging. Innodb policy is that
multiple null values are allowed in a unique index. Null duplicates
were correctly ignored while sorting individual blocks and with slow
index creation.
Test Plan:
mtr, including new test, load dbs using deferred index creation
License:
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this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
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Bugfix for 53290, fast unique index creation fails on duplicate null values
Summary:
Bug in the fast index creation code incorrectly considers null
values to be duplicates during block merging. Innodb policy is that
multiple null values are allowed in a unique index. Null duplicates
were correctly ignored while sorting individual blocks and with slow
index creation.
Test Plan:
mtr, including new test, load dbs using deferred index creation
DiffCamp Revision: 110840
Reviewed By: mcallaghan
CC: mcallaghan, mysql-devel@lists
Revert Plan:
OK
buf_flush_insert_into_flush_list(),
buf_flush_insert_sorted_into_flush_list(),
buf_flush_post_to_doublewrite_buf(): Check that the page is initialized.
buf_flush_insert_into_flush_list(),
buf_flush_insert_sorted_into_flush_list(),
buf_flush_post_to_doublewrite_buf(): Check that the page is initialized.
This is branches/zip@r6032 in SVN and _is part_ of
revid:svn-v4:16c675df-0fcb-4bc9-8058-dcc011a37293:branches/zip:6113
in BZR.
This is being reverted because now the code is serialized directly on
index->stat_n_diff_key_vals[] as the fix for
Bug#53046 dict_update_statistics_low can still be run concurrently on same table
goes.
on same table
Protect dict_index_t::stat_n_diff_key_vals[] with an array of
mutexes.
Testing: tested all code paths under UNIV_SYNC_DEBUG
for the one in dict_print() one has to enable the InnoDB table monitor:
CREATE TABLE innodb_table_monitor (a int) ENGINE=INNODB;
------------------------------------------------------------------------
r6103 | marko | 2009-10-26 15:46:18 +0200 (Mon, 26 Oct 2009) | 4 lines
Changed paths:
M /branches/zip/row/row0ins.c
branches/zip: row_ins_alloc_sys_fields(): Zero out the system columns
DB_TRX_ID, DB_ROLL_PTR and DB_ROW_ID, in order to avoid harmless
Valgrind warnings about uninitialized data. (The warnings were
harmless, because the fields would be initialized at a later stage.)
------------------------------------------------------------------------
When row_merge_drop_temp_indexes() was reworked to drop the indexes
via the data dictionary cache, the code was broken because it would
read the index name from the wrong field.
btr_page_tuple_smaller(): New function, refactored from
btr_page_split_and_insert().
btr_page_get_split_rec(): Renamed from btr_page_get_sure_split_rec().
Note that a NULL return may mean that the tuple is to be inserted into
either the lower or upper page, to be determined by btr_page_tuple_smaller().
btr_page_split_and_insert(): When btr_page_get_split_rec() returns NULL,
invoke btr_page_tuple_smaller() to determine which half-page the tuple
belongs to.
Reviewed by Sunny Bains
indexed BLOBs for ROW_FORMAT=DYNAMIC and ROW_FORMAT_COMPRESSED tables
(Bug #52746). In these tables, the locally stored prefix of a BLOB can
be as small as 20 bytes (BTR_EXTERN_FIELD_REF_SIZE). ROW_FORMAT=REDUNDANT
and ROW_FORMAT=COMPACT store a prefix of 768 bytes (REC_MAX_INDEX_COL_LEN).
trx_undo_rec_get_col_val(): Relax the ut_ad() assertion and add a
reference to dtuple_convert_big_rec().
trx_undo_rec_get_partial_row(): Relax the ut_a() assertion that
prompted Bug #52746.
they are ignored to a new test suite "innodb_plugin".
Remove a hack in mtr that was deployed to run the builtin InnoDB tests against
the InnoDB Plugin. Also detect if a test is an 'innodb plugin test' and if so
then transparently replace the builtin InnoDB with the InnoDB Plugin.
data and index files
It was possible if DATA/INDEX DIRECTORY is pointing to
symlinked MySQL data home directory.
Do not allow to drop data/index files implicitly symlinked
to data home directory. For such tables remove symlink only.
mysql-test/r/symlink.result:
A test case for BUG#40980.
mysql-test/t/symlink.test:
A test case for BUG#40980.
storage/myisam/mi_delete_table.c:
Do not allow to drop data/index files implicitly symlinked
to data home directory. For such tables remove symlink only.
Detailed revision comments:
r6897 | mmakela | 2010-03-29 11:36:19 +0300 (Mon, 29 Mar 2010) | 3 lines
branches/zip: innodb_mutex_show_status(): Fix a condition
that was accidentally negated in r6781, making SHOW ENGINE INNODB MUTEX STATUS
display only locks with no OS waits.
Detailed revision comments:
r6891 | vdimov | 2010-03-26 16:19:01 +0200 (Fri, 26 Mar 2010) | 5 lines
Non-functional change: update copyright year to 2010 of the files
that have been modified after 2010-01-01 according to svn.
for f in $(svn log -v -r{2010-01-01}:HEAD |grep "^ M " |cut -b 16- |sort -u) ; do sed -i "" -E 's/(Copyright \(c\) [0-9]{4},) [0-9]{4}, (.*Innobase Oy.+All Rights Reserved)/\1 2010, \2/' $f ; done
Detailed revision comments:
r6873 | vdimov | 2010-03-25 17:06:56 +0200 (Thu, 25 Mar 2010) | 4 lines
branches/zip:
Use Bug#N instead of Bug #N to be consistent with the rest of the fil.
Detailed revision comments:
r6871 | vdimov | 2010-03-25 16:39:44 +0200 (Thu, 25 Mar 2010) | 4 lines
branches/zip:
Whitespace fixup to be consistent with the rest of the file.
Detailed revision comments:
r6861 | vdimov | 2010-03-23 19:31:02 +0200 (Tue, 23 Mar 2010) | 36 lines
branches/zip:
Merge joerg@mysql.com-20100322150231-vdq0afbqtmbs6phy from BZR,
Including univ.i before mysql/plugin.h is needed to avoid this
compiler error:
o This is how gcc puts it:
o > > ccache /usr/local/gcc-4.3.2/bin/gcc -static-libgcc -DHAVE_CONFIG_H -I. -I../../include -I../../include -I../../include -I../../regex -I./include -I../../sql -I. -I../../zlib -g -O3 -march=i686 -DUNIV_LINUX -MT libinnobase_a-trx0i_s.o -MD -MP -MF .deps/libinnobase_a-trx0i_s.Tpo -c -o libinnobase_a-trx0i_s.o `test -f 'trx/trx0i_s.c' || echo './'`trx/trx0i_s.c
o > > In file included from ./include/univ.i:114,
o > > from trx/trx0i_s.c:36:
o > > ../../include/my_pthread.h:628: error: expected ')' before '*' token
o > > In file included from ../../include/my_pthread.h:732,
o > > from ./include/univ.i:114,
o > > from trx/trx0i_s.c:36:
o > > ../../include/mysql/psi/mysql_thread.h💯 error: expected specifier-qualifier-list before 'pthread_rwlock_t'
o > > ../../include/mysql/psi/mysql_thread.h:116: error: expected specifier-qualifier-list before 'pthread_rwlock_t'
o > > ../../include/mysql/psi/mysql_thread.h: In function 'inline_mysql_rwlock_init':
o > > ../../include/mysql/psi/mysql_thread.h:711: error: 'mysql_rwlock_t' has no member named 'm_psi'
o > > ../../include/mysql/psi/mysql_thread.h:716: error: 'mysql_rwlock_t' has no member named 'm_rwlock'
o > > .... ((continued))
o
o Intel's icc gives slightly clearer messages:
o > > icc -static-intel -static-libgcc -DHAVE_CONFIG_H -I. -I../../include -I../../include -I../../include -I../../regex -I./include -I../../sql -I. -I../../zlib -O3 -g -unroll2 -ip -mp -restrict -no-ftz -no-prefetch -DUNIV_LINUX -MT libinnobase_a-trx0i_s.o -MD -MP -MF .deps/libinnobase_a-trx0i_s.Tpo -c -o libinnobase_a-trx0i_s.o `test -f 'trx/trx0i_s.c' || echo './'`trx/trx0i_s.c
o > > ../../include/my_pthread.h(628): error: identifier "pthread_rwlock_t" is undefined
o > > extern int rw_pr_init(rw_pr_lock_t *);
o > > ^
o > >
o > > ../../include/mysql/psi/mysql_thread.h(100): error: identifier "pthread_rwlock_t" is undefined
o > > rw_lock_t m_rwlock;
o > > ^
o > >
o > > ../../include/mysql/psi/mysql_thread.h(116): error: identifier "pthread_rwlock_t" is undefined
o > > rw_pr_lock_t m_prlock;
o > > ^
Detailed revision comments:
r6860 | jyang | 2010-03-23 18:20:36 +0200 (Tue, 23 Mar 2010) | 5 lines
branches/zip: This is patch from Inaam that uses red-black tree
to speed up insertions into the flush_list and thus the recovery
process. The patch has been tested by Nokia.
Detailed revision comments:
r6858 | mmakela | 2010-03-23 14:09:24 +0200 (Tue, 23 Mar 2010) | 1 line
branches/zip: innodb_read_ahead_threshold: Add missing space to help string.
Detailed revision comments:
r6830 | marko | 2010-03-18 09:48:18 +0200 (Thu, 18 Mar 2010) | 3 lines
branches/zip: buf_page_peek_if_too_old(): Use 32-bit arithmetics
when comparing the age of access_time to buf_LRU_old_threshold_ms.
This fixes a bug on 64-bit systems.
Detailed revision comments:
r6828 | calvin | 2010-03-17 17:16:38 +0200 (Wed, 17 Mar 2010) | 7 lines
branches/zip: rename IB_HAVE_PAUSE_INSTRUCTION to
HAVE_IB_PAUSE_INSTRUCTION in CMakeLists.txt.
The rename was done as r5871, but CMakeLists.txt was
forgotten. Also, add INNODB_RW_LOCKS_USE_ATOMICS to
CMake.
Detailed revision comments:
r6800 | marko | 2010-03-11 12:02:57 +0200 (Thu, 11 Mar 2010) | 1 line
branches/zip: Add ut_ad(mtr->state == MTR_ACTIVE) to various places.
Detailed revision comments:
r6798 | marko | 2010-03-11 09:53:01 +0200 (Thu, 11 Mar 2010) | 14 lines
branches/zip: Fix and clarify the latching of some buf_block_t members.
buf_block_t::check_index_page_at_flush: Note that this field is not
protected by any mutex. Make it a separate field, not a bitfield that
could share the machine word with other fields.
buf_block_t::lock_hash_val: Note that this field is protected by
buf_block_t::lock (or during block creation, by buf_pool_mutex and
buf_block_t::mutex).
buf_block_get_lock_hash_val(): Assert that block->lock is held by the
current thread.
Issue #465, rb://267 approved by Inaam Rana
Detailed revision comments:
r6792 | marko | 2010-03-10 13:56:41 +0200 (Wed, 10 Mar 2010) | 1 line
branches/zip: Copy tests from branches/5.1 that were lost in some merge.
r6793 | marko | 2010-03-10 14:02:19 +0200 (Wed, 10 Mar 2010) | 60 lines
branches/zip: Merge revisions 6669:6788 from branches/5.1:
------------------------------------------------------------------------
r6774 | calvin | 2010-03-03 23:56:10 +0200 (Wed, 03 Mar 2010) | 2 lines
Changed paths:
M /branches/5.1/trx/trx0sys.c
branches/5.1: fix bug#51653: outdated reference to set-variable
Non functional change.
------------------------------------------------------------------------
r6780 | vasil | 2010-03-08 19:13:20 +0200 (Mon, 08 Mar 2010) | 4 lines
Changed paths:
M /branches/5.1/plug.in
branches/5.1:
Whitespace fixup.
------------------------------------------------------------------------
r6783 | jyang | 2010-03-09 17:54:14 +0200 (Tue, 09 Mar 2010) | 9 lines
Changed paths:
M /branches/5.1/handler/ha_innodb.cc
M /branches/5.1/mysql-test/innodb_bug21704.result
A /branches/5.1/mysql-test/innodb_bug47621.result
A /branches/5.1/mysql-test/innodb_bug47621.test
branches/5.1: Fix bug #47621 "MySQL and InnoDB data dictionaries
will become out of sync when renaming columns". MySQL does not
provide new column name information to storage engine to
update the system table. To avoid column name mismatch, we shall
just request a table copy for now.
rb://246 approved by Marko.
------------------------------------------------------------------------
r6785 | vasil | 2010-03-10 09:04:38 +0200 (Wed, 10 Mar 2010) | 11 lines
Changed paths:
M /branches/5.1/mysql-test/innodb_bug38231.test
branches/5.1:
Add the missing --reap statements in innodb_bug38231.test. Probably MySQL
enforced the presence of those recently and the test started failing like:
main.innodb_bug38231 [ fail ]
Test ended at 2010-03-10 08:48:32
CURRENT_TEST: main.innodb_bug38231
mysqltest: At line 49: Cannot run query on connection between send and reap
------------------------------------------------------------------------
r6788 | vasil | 2010-03-10 10:53:21 +0200 (Wed, 10 Mar 2010) | 8 lines
Changed paths:
M /branches/5.1/mysql-test/innodb_bug38231.test
branches/5.1:
In innodb_bug38231.test: replace the fragile sleep 0.2 that depends on timing
with a more robust condition which waits for the TRUNCATE and LOCK commands
to appear in information_schema.processlist. This could also break if there
are other sessions executing the same SQL commands, but there are none during
the execution of the mysql test.
------------------------------------------------------------------------
Detailed revision comments:
r6790 | jyang | 2010-03-10 13:09:41 +0200 (Wed, 10 Mar 2010) | 7 lines
branches/zip: Fix bug #51356: "many valgrind errors in error messages
with concurrent ddl". Null terminate the name string returned
from innobase_convert_identifier() call when reporting DB_DUPLICATE_KEY
error in create_table_def().
rb://266 approved by Marko
Detailed revision comments:
r6789 | jyang | 2010-03-10 11:18:18 +0200 (Wed, 10 Mar 2010) | 10 lines
branches/zip: If a unique index is on a column prefix, such
unique index cannot be upgrade to primary index even if there
is no primary index already defined. Also fix possible corruption
when initialize "ref_length" value in case there is a mismatch
between MySQL and InnoDB primary key. Fix bug #51378: "Init
'ref_length' to correct value, in case an out of bound MySQL
primary_key".
rb://262 approved by Marko.
Detailed revision comments:
r6787 | marko | 2010-03-10 10:35:06 +0200 (Wed, 10 Mar 2010) | 10 lines
branches/zip: recv_parse_log_rec(): Remove a bogus assertion about page_no.
TODO: We might also consider removing recv_max_parsed_page_no, because
it does not make much sense with *.ibd files.
recv_report_corrupt_log(), recv_scan_log_recs(): Abort when a
corrupted log record has been found, unless innodb_force_recovery has
been set.
This fixes Issue #464.
rb://265 approved by Heikki Tuuri
Detailed revision comments:
r6782 | marko | 2010-03-09 14:09:26 +0200 (Tue, 09 Mar 2010) | 1 line
branches/zip: fil0fil.c: Update comments on table->flags as of r6252.
Detailed revision comments:
r6781 | marko | 2010-03-09 09:41:08 +0200 (Tue, 09 Mar 2010) | 4 lines
branches/zip: Make SHOW ENGINE INNODB MUTEX display SUM(os_waits)
for block mutexes and blocks.
Designed by Michael and Marko. rb://188, Issue #358
Detailed revision comments:
r6779 | marko | 2010-03-08 14:35:42 +0200 (Mon, 08 Mar 2010) | 6 lines
branches/zip: Fix IMPORT TABLESPACE of compressed tables. Previously,
a wrong parameter was passed to buf_flush_init_for_writing().
fil_reset_too_high_lsns(): Set up page_zip and use it if needed.
rb://264, Issue #352
Detailed revision comments:
r6770 | marko | 2010-03-03 12:52:55 +0200 (Wed, 03 Mar 2010) | 12 lines
branches/zip: Disallow duplicate index name when creating an index.
This should fix Mantis Issue #461.
innodb.test, innodb.result, innodb-index.test, innodb-index.result:
Adjust the test result and mention that the introduced restriction
has been reported as MySQL Bug #51451.
innobase_check_index_keys(): Add a parameter for the InnoDB table and
check that no duplicate index name is added. Report errors by
my_error() instead of sql_print_error().
rb://260 approved by Sunny Bains
Detailed revision comments:
r6768 | vasil | 2010-03-02 18:20:48 +0200 (Tue, 02 Mar 2010) | 5 lines
branches/zip:
Add a NOTE to the comment of btr_node_ptr_get_child_page_no()
to prevent mysterious bugs.
Detailed revision comments:
r6754 | marko | 2010-02-24 10:56:43 +0200 (Wed, 24 Feb 2010) | 17 lines
branches/zip: Allocate the merge sort buffers from a heap, not stack.
The merge sort can use up to 48KiB of buffers when merging blocks.
That can cause a stack overflow, especially on 64-bit systems when not
building with inlined functions. This was reported as Issue #462.
row_merge_dup_report(): Allocate buf and offsets from a heap.
row_merge_heap_create(): Allocate space for buf[3] too. Fix bogus
sizeof arithmetics that happened to work, because
sizeof(ulint)==sizeof(void*).
row_merge_blocks(), row_merge_blocks_copy(): Allocate buf[3] from heap.
row_merge_insert_index_tuples(): Allocate buf from graph_heap.
rb://258 approved and tested by Sunny Bains
Detailed revision comments:
r6750 | marko | 2010-02-22 08:57:23 +0200 (Mon, 22 Feb 2010) | 2 lines
branches/zip: row_fetch_store_uint4(): Remove unused function.
This was added to trunk in r435.
Detailed revision comments:
r6749 | vasil | 2010-02-20 18:45:41 +0200 (Sat, 20 Feb 2010) | 5 lines
Non-functional change: update copyright year to 2010 of the files
that have been modified after 2010-01-01 according to svn.
for f in $(svn log -v -r{2010-01-01}:HEAD |grep "^ M " |cut -b 16- |sort -u) ; do sed -i "" -E 's/(Copyright \(c\) [0-9]{4},) [0-9]{4}, (.*Innobase Oy.+All Rights Reserved)/\1 2010, \2/' $f ; done
Detailed revision comments:
r6740 | sunny | 2010-02-18 13:44:31 +0200 (Thu, 18 Feb 2010) | 6 lines
branches/zip: Don't print the entire lock bit set if the block was not
found in the buffer pool. Only print the bits that are set and that
information is in the lock and not in the block.
See rb://256 approved by Marko.
Detailed revision comments:
r6726 | marko | 2010-02-17 18:49:21 +0200 (Wed, 17 Feb 2010) | 3 lines
branches/zip: FIL_PAGE_FILE_FLUSH_LSN: Note that the field is only valid
for the first page of each ibdata* file, not *.ibd files.
Suggested by Heikki, in connection with the LSN warning noted in Issue #341.
Detailed revision comments:
r6724 | marko | 2010-02-17 15:52:05 +0200 (Wed, 17 Feb 2010) | 11 lines
branches/zip: Merge revisions 6613:6669 from branches/5.1:
------------------------------------------------------------------------
r6669 | jyang | 2010-02-11 12:24:19 +0200 (Thu, 11 Feb 2010) | 7 lines
branches/5.1: Fix bug #50691, AIX implementation of readdir_r
causes InnoDB errors. readdir_r() returns an non-NULL value
in the case of reaching the end of a directory. It should
not be treated as an error return.
rb://238 approved by Marko
------------------------------------------------------------------------
Detailed revision comments:
r6723 | marko | 2010-02-17 11:48:34 +0200 (Wed, 17 Feb 2010) | 3 lines
branches/zip: lock_table_other_has_incompatible():
Return an incompatible lock or NULL instead of TRUE or FALSE.
Approved by Sunny over IM.
Detailed revision comments:
r6717 | marko | 2010-02-16 14:53:20 +0200 (Tue, 16 Feb 2010) | 2 lines
branches/zip: log_reserve_and_write_fast(): Correct a race condition
in UNIV_LOG_LSN_DEBUG. This could have caused Issue #440.
Detailed revision comments:
r6713 | sunny | 2010-02-16 10:12:17 +0200 (Tue, 16 Feb 2010) | 7 lines
branches/zip: Change the bit fields back to ulint. Bit fields were causing
problems with concurrency on SMP systems because of word packing issues.
The number of trx_t's in a system is not sufficient enough to require that
we try and save a few bytes in the data structure.
See rb://255 for details.
Detailed revision comments:
r6712 | marko | 2010-02-16 10:05:36 +0200 (Tue, 16 Feb 2010) | 2 lines
branches/zip: trx_lists_init_at_db_start(): Assert that the kernel_mutex
is held by the caller.
Detailed revision comments:
r6674 | inaam | 2010-02-11 17:54:44 +0200 (Thu, 11 Feb 2010) | 16 lines
branches/zip bug# 49535
This is a backport of r4924.
mem_heap_get_size() scans all allocated blocks to calculate the total
size of the heap. This patch introduces a new, total_size, field in
mem_block_info_struct. This field is valid only for base block
(i.e.: the first block allocated for the heap) and is set to
ULINT_UNDEFINED in other blocks.
This considerably improves the performance of redo scan during recovery.
rb://108 issue#216
Approved by: Heikki
Detailed revision comments:
r6673 | marko | 2010-02-11 13:09:48 +0200 (Thu, 11 Feb 2010) | 9 lines
branches/zip: Relax a debug assertion about a missing BLOB. (Issue #452)
When rolling back an incomplete transaction in purge, tolerate missing
BLOBs also in update undo, when undoing an INSERT by updating a delete-marked
record, and the delete-marked record is no longer needed.
Previously, we only tolerated missing BLOBs in insert undo.
This merely fixes a debug assertion; the code performed correctly
without UNIV_DEBUG.
rb://249 approved by Sunny Bains.
Detailed revision comments:
r6635 | marko | 2010-02-10 11:07:05 +0200 (Wed, 10 Feb 2010) | 4 lines
branches/zip: Clean up after r6559. Now that
btr_pcur_open_with_no_init() is a macro, do not mix preprocessor
directives in the macro invocation, because it is implementation-defined
whether that is going to work.
Detailed revision comments:
r6633 | marko | 2010-02-10 10:40:55 +0200 (Wed, 10 Feb 2010) | 31 lines
branches/zip: Merge revisions 6538:6613 from branches/5.1:
------------------------------------------------------------------------
r6545 | jyang | 2010-02-03 03:57:32 +0200 (Wed, 03 Feb 2010) | 8 lines
Changed paths:
M /branches/5.1/lock/lock0lock.c
branches/5.1: Fix bug #49001, "SHOW INNODB STATUS deadlock info
incorrect when deadlock detection aborts". Print the correct
lock owner when recursive function lock_deadlock_recursive()
exceeds its maximum depth LOCK_MAX_DEPTH_IN_DEADLOCK_CHECK.
rb://217, approved by Marko.
------------------------------------------------------------------------
r6613 | inaam | 2010-02-09 20:23:09 +0200 (Tue, 09 Feb 2010) | 11 lines
Changed paths:
M /branches/5.1/buf/buf0buf.c
M /branches/5.1/buf/buf0rea.c
M /branches/5.1/include/buf0rea.h
branches/5.1: Fix Bug #38901
InnoDB logs error repeatedly when trying to load page into buffer pool
In buf_page_get_gen() if we are unable to read a page (because of
corruption or some other reason) we keep on retrying. This fills up
error log with millions of entries in no time and we'd eventually run
out of disk space. This patch limits the number of attempts that we
make (currently set to 100) and after that we abort with a message.
rb://241 Approved by: Heikki
------------------------------------------------------------------------
Detailed revision comments:
r6614 | inaam | 2010-02-09 20:26:23 +0200 (Tue, 09 Feb 2010) | 7 lines
branches/plugin rb://242
Let the master thread sleep if the amount of work to be done is
calibrated as taking less than a second.
Approved by: Heikki
Detailed revision comments:
r6612 | marko | 2010-02-09 14:32:39 +0200 (Tue, 09 Feb 2010) | 3 lines
branches/zip: recv_recovery_rollback_active():
Drop the temporary tables and indexes after enabling sync order checks.
This should not make any difference. This could have been done in r6611.
Detailed revision comments:
r6611 | marko | 2010-02-09 14:28:25 +0200 (Tue, 09 Feb 2010) | 11 lines
branches/zip: Roll back dictionary transaction(s) before scanning *.ibd files
innobase_start_or_create_for_mysql(): Roll back data dictionary
transactions before scanning the *.ibd files. Then, data dictionary
records can be loaded to the cache before opening the *.ibd files.
recv_recovery_rollback_active(): Refactored from
recv_recovery_from_checkpoint_finish().
rb://235, committing without review, because this is needed for
TablespaceDictionary.
Detailed revision comments:
r6610 | marko | 2010-02-09 13:53:59 +0200 (Tue, 09 Feb 2010) | 17 lines
branches/zip: When dropping temporary indexes and tables at startup,
first load them to the data dictionary cache and use the normal
routines for dropping tables or indexes. This should reduce the
risk of bugs and also make the code compatible with the upcoming
TablespaceDictionary implementation.
DICT_SYS_INDEXES_NAME_FIELD: The clustered index position of SYS_INDEXES.NAME.
row_merge_drop_temp_indexes(): Scan SYS_INDEXES for tables containing
temporary indexes, and load the tables as needed. Invoke
row_merge_drop_index() to drop the indexes.
row_mysql_drop_temp_tables(): Scan SYS_TABLES for temporary tables,
load them with dict_load_table() and drop them with
row_drop_table_for_mysql().
rb://251, not yet reviewed
Detailed revision comments:
r6591 | marko | 2010-02-08 10:06:39 +0200 (Mon, 08 Feb 2010) | 3 lines
branches/zip: row_merge_drop_index(): Remove redundant condition
on SYS_INDEXES.TABLE_ID. INDEX_ID must be instance-widely unique,
because SYS_FIELDS is not indexed by TABLE_ID.
Detailed revision comments:
r6560 | sunny | 2010-02-04 16:11:23 +0200 (Thu, 04 Feb 2010) | 7 lines
branches/zip: Remove the additional check introduced in r6534 which tries
to check if the joining transaction has any other transactions waiting on
its locks. This optimization results in excessive deadlocks when running
Sysbench with a large number of threads. The function seems to return
FALSE positives.
rb://250
Detailed revision comments:
r6559 | marko | 2010-02-04 13:21:18 +0200 (Thu, 04 Feb 2010) | 14 lines
branches/zip: Pass the file name and line number of the caller of the
b-tree cursor functions to the buffer pool requests, in order to make
the latch diagnostics more accurate.
buf_page_optimistic_get_func(): Renamed to buf_page_optimistic_get().
btr_page_get_father_node_ptr(), btr_insert_on_non_leaf_level(),
btr_pcur_open(), btr_pcur_open_with_no_init(), btr_pcur_open_on_user_rec(),
btr_pcur_open_at_rnd_pos(), btr_pcur_restore_position(),
btr_cur_open_at_index_side(), btr_cur_open_at_rnd_pos():
Rename the function to _func and add the parameters file, line.
Define wrapper macros with __FILE__, __LINE__.
btr_cur_search_to_nth_level(): Add the parameters file, line.
Detailed revision comments:
r6548 | marko | 2010-02-03 15:01:39 +0200 (Wed, 03 Feb 2010) | 11 lines
branches/zip: buf_LRU_invalidate_tablespace(): Ensure that prev_bpage
is not relocated when freeing a compressed block. This avoids the
costly rescan of the LRU list. (Bug #35077, Issue #449)
At most one buffer-fix will be active at a time, affecting two blocks:
the buf_page_t and the compressed page frame. This should not block
the memory defragmentation in buf0buddy.c too much. In fact, it may
avoid unnecessary copying if also prev_bpage belongs to the tablespace
that is being invalidated.
rb://240
Detailed revision comments:
r6547 | marko | 2010-02-03 14:43:38 +0200 (Wed, 03 Feb 2010) | 14 lines
branches/zip: Clean up CHECK TABLE error handling. (Issue #220)
ha_innobase::change_active_index(): Clean up code formatting.
ha_innobase::check(): Incorporate the code from
row_check_table_for_mysql(). Report errors to the client connection
instead of writing them to the error log.
row_check_table_for_mysql(): Remove.
row_check_index_for_mysql(): Renamed from row_scan_and_check_index().
Let the caller initialize prebuilt, and assume that the index is usable.
rb://178 approved by Sunny Bains
Detailed revision comments:
r6546 | jyang | 2010-02-03 11:05:24 +0200 (Wed, 03 Feb 2010) | 9 lines
branches/zip: Relax assertion on the number of index defined
in InnoDB must be comparable with that of MySQL to tolerate
possible dictionary inconsistency. Fix Mantis issue #455,
"UNIV_DEBUG+ assert ha_innodb.cc:3152 ib_num_index >=
mysql_num_index".
rb://248 Approved by Marko.
Detailed revision comments:
r6540 | marko | 2010-02-01 11:35:13 +0200 (Mon, 01 Feb 2010) | 1 line
branches/zip: ChangeLog: Document the merge of 6471:6538 from branches/5.1.
Detailed revision comments:
r6539 | marko | 2010-02-01 11:31:12 +0200 (Mon, 01 Feb 2010) | 75 lines
branches/zip: Merge revisions 6471:6538 from branches/5.1:
------------------------------------------------------------------------
r6488 | sunny | 2010-01-21 02:55:08 +0200 (Thu, 21 Jan 2010) | 2 lines
Changed paths:
M /branches/5.1/mysql-test/innodb-autoinc.result
M /branches/5.1/mysql-test/innodb-autoinc.test
branches/5.1: Factor out test for bug#44030 from innodb-autoinc.test
into a separate test/result files.
------------------------------------------------------------------------
r6489 | sunny | 2010-01-21 02:57:50 +0200 (Thu, 21 Jan 2010) | 2 lines
Changed paths:
A /branches/5.1/mysql-test/innodb-autoinc-44030.result
A /branches/5.1/mysql-test/innodb-autoinc-44030.test
branches/5.1: Factor out test for bug#44030 from innodb-autoinc.test
into a separate test/result files.
------------------------------------------------------------------------
r6492 | sunny | 2010-01-21 09:38:35 +0200 (Thu, 21 Jan 2010) | 1 line
Changed paths:
M /branches/5.1/mysql-test/innodb-autoinc-44030.test
branches/5.1: Add reference to bug#47621 in the comment.
------------------------------------------------------------------------
r6535 | sunny | 2010-01-30 00:08:40 +0200 (Sat, 30 Jan 2010) | 11 lines
Changed paths:
M /branches/5.1/handler/ha_innodb.cc
branches/5.1: Undo the change from r6424. We need to return DB_SUCCESS even
if we were unable to initialize the tabe autoinc value. This is required for
the open to succeed. The only condition we currently treat as a hard error
is if the autoinc field instance passed in by MySQL is NULL.
Previously if the table autoinc value was 0 and the next value was requested
we had an assertion that would fail. Change that assertion and treat a value
of 0 to mean that the autoinc system is unavailable. Generation of next
value will now return failure.
rb://237
------------------------------------------------------------------------
r6536 | sunny | 2010-01-30 00:13:42 +0200 (Sat, 30 Jan 2010) | 6 lines
Changed paths:
M /branches/5.1/handler/ha_innodb.cc
M /branches/5.1/mysql-test/innodb-autoinc.result
M /branches/5.1/mysql-test/innodb-autoinc.test
branches/5.1: Check *first_value everytime against the column max
value and set *first_value to next autoinc if it's > col max value.
ie. not rely on what is passed in from MySQL.
[49497] Error 1467 (ER_AUTOINC_READ_FAILED) on inserting a negative value
rb://236
------------------------------------------------------------------------
r6537 | sunny | 2010-01-30 00:35:00 +0200 (Sat, 30 Jan 2010) | 2 lines
Changed paths:
M /branches/5.1/handler/ha_innodb.cc
M /branches/5.1/mysql-test/innodb-autoinc.result
M /branches/5.1/mysql-test/innodb-autoinc.test
branches/5.1: Undo r6536.
------------------------------------------------------------------------
r6538 | sunny | 2010-01-30 00:43:06 +0200 (Sat, 30 Jan 2010) | 6 lines
Changed paths:
M /branches/5.1/handler/ha_innodb.cc
M /branches/5.1/mysql-test/innodb-autoinc.result
M /branches/5.1/mysql-test/innodb-autoinc.test
branches/5.1: Check *first_value every time against the column max
value and set *first_value to next autoinc if it's > col max value.
ie. not rely on what is passed in from MySQL.
[49497] Error 1467 (ER_AUTOINC_READ_FAILED) on inserting a negative value
rb://236
------------------------------------------------------------------------
Detailed revision comments:
r6534 | sunny | 2010-01-29 23:42:49 +0200 (Fri, 29 Jan 2010) | 15 lines
branches/zip: Two changes to fix the problem:
1. First scan the joining transaction's locks and check if no other
transaction is waiting for a lock held by the joining transaction.
If no other transaction is waiting then no deadlock an occur and
we avoid doing an exhaustive search.
2. Change the direction of the lock traversal from backward to forward.
Previously we traversed backward from the lock that has to wait, the function
to that fetched the previous node was very inefficient resulting in O(n^2)
access to the rec lock list.
Fix Bug #49047 InnoDB deadlock detection is CPU intensive with many locks on a single row.
rb://218
Detailed revision comments:
r6526 | jyang | 2010-01-28 18:12:40 +0200 (Thu, 28 Jan 2010) | 8 lines
branches/zip: Add index translation table to map mysql index
number to InnoDB index structure directly. Fix Bug #47622:
"the new index is added before the existing ones in MySQL,
but after one in SE".
rb://215, approved by Marko
Detailed revision comments:
r6525 | marko | 2010-01-28 16:23:15 +0200 (Thu, 28 Jan 2010) | 11 lines
branches/zip: buf_LRU_invalidate_tablespace(): Do not unnecessarily
acquire the block_mutex for every block in the LRU list. Only acquire
it when holding buf_pool_mutex is not sufficient. This should speed up
the function and considerably reduce traffic on the memory bus and
caches.
I noticed this deficiency when working on Issue #157.
This deficiency popped up again in Issue #449 (Bug #35077),
which this fix does not fully address.
rb://78 revision 1 approved by Heikki Tuuri.
Detailed revision comments:
r6521 | marko | 2010-01-27 10:49:01 +0200 (Wed, 27 Jan 2010) | 17 lines
branches/zip: Drop temporary tables at startup.
This addresses the third aspect of Bug #41609.
row_mysql_drop_temp_tables(): New function, to drop all temporary
tables. These can be distinguished by the least significant bit of
MIX_LEN. However, we will skip ROW_FORMAT=REDUNDANT tables, because in
the records for those tables, that bit may be garbage.
recv_recovery_from_checkpoint_finish(): Invoke
row_mysql_drop_temp_tables(). Normally, if the .frm files for the
temporary tables exist at startup, MySQL will ask InnoDB to drop the
temporary tables. However, if the files are deleted, for instance, by
the boot scripts of the operating system, the tables would remain in
the InnoDB data dictionary unless someone digs them up by
innodb_table_monitor and creates .frm files for dropping the tables.
rb://221 approved by Sunny Bains.
Detailed revision comments:
r6498 | marko | 2010-01-21 11:22:52 +0200 (Thu, 21 Jan 2010) | 15 lines
branches/zip: buf_page_get_gen(): Obey recv_no_ibuf_operations
and do not call ibuf_merge_or_delete_for_page() in crash recovery,
before the redo log has been applied.
This could cure some hard-to-repeat, hard-to-explain bugs
related to secondary indexes.
A possible recipe to repeat the bug:
1. update a secondary index leaf page on a compressed table
2. evict the page from the buffer pool while it is still dirty
3. ibuf_insert() something for the page
4. crash
5. crash recovery; ibuf merge would be done too early,
before applying redo log to the sec index page or the ibuf pages
Detailed revision comments:
r6467 | inaam | 2010-01-14 20:46:00 +0200 (Thu, 14 Jan 2010) | 10 lines
branches/zip rb://226
log_sys->written_to_all_lsn does not accurately represent the LSN
upto which write and flush has taken place. Under a race condition
it can fall behind log_sys->flushed_to_disk_lsn which is accurate.
Besides written_to_all_lsn is redundant as currently InnoDB supports
only one log group.
Approved by: Heikki
Detailed revision comments:
r6463 | marko | 2010-01-14 15:43:37 +0200 (Thu, 14 Jan 2010) | 5 lines
branches/zip: page_copy_rec_list_end(), page_copy_rec_list_start():
Update PAGE_MAX_TRX_ID before attempting to compress the page. This
fixes Issue #382 (a debug assertion failure in page_zip_reorganize())
and reduces the generated redo log. There was no bug or crash in
non-debug builds.
Detailed revision comments:
r6449 | marko | 2010-01-13 22:38:53 +0200 (Wed, 13 Jan 2010) | 18 lines
branches/zip: lock_rec_validate_page(): Only validate the record
queues when the thread is not holding a space->latch.
When UNIV_DEBUG is defined while UNIV_SYNC_DEBUG is not,
latching order violations will still occur and deadlocks will be possible.
sync_thread_levels_nonempty_gen(): Renamed from
sync_thread_levels_empty_gen(). Return the violating latch or NULL
instead of FALSE or TRUE, except that there will be a ut_error before
the non-NULL return.
sync_thread_levels_empty_gen(): A macro that negates the return value of
sync_thread_levels_nonempty_gen().
sync_thread_levels_contains(): New function, based on
sync_thread_levels_nonempty_gen().
This should fix Issue #441.
Detailed revision comments:
r6447 | marko | 2010-01-13 17:43:44 +0200 (Wed, 13 Jan 2010) | 5 lines
branches/zip: row_sel_get_clust_rec_for_mysql(): On the READ UNCOMMITTED
isolation level, do not attempt to access a clustered index record
that has been marked for deletion. This fixes Issue #433.
Approved by Heikki over the IM.
Detailed revision comments:
r6446 | marko | 2010-01-13 17:20:10 +0200 (Wed, 13 Jan 2010) | 3 lines
branches/zip: Treat mem_hash_mutex specially in mutex_free(),
and explicitly free mem_hash_mutex in mem_close().
This fixes the breakage of UNIV_MEM_DEBUG that was filed as Issue #434.
Detailed revision comments:
r6445 | marko | 2010-01-13 17:15:29 +0200 (Wed, 13 Jan 2010) | 3 lines
branches/zip: buf_pool_drop_hash_index(): Check block->page.state
before checking block->is_hashed, because the latter may be uninitialized
right after server startup.
Detailed revision comments:
r6426 | marko | 2010-01-12 15:36:14 +0200 (Tue, 12 Jan 2010) | 2 lines
branches/zip: row_sel_sec_rec_is_for_clust_rec(): Document the return value
more accurately.
Detailed revision comments:
r6425 | marko | 2010-01-12 13:47:11 +0200 (Tue, 12 Jan 2010) | 45 lines
branches/zip: Merge revisions 6350:6424 from branches/5.1:
------------------------------------------------------------------------
r6421 | jyang | 2010-01-12 07:59:16 +0200 (Tue, 12 Jan 2010) | 8 lines
Changed paths:
M /branches/5.1/row/row0mysql.c
branches/5.1: Fix bug #49238: Creating/Dropping a temporary table
while at 1023 transactions will cause assert. Handle possible
DB_TOO_MANY_CONCURRENT_TRXS when deleting metadata in
row_drop_table_for_mysql().
rb://220, approved by Marko
------------------------------------------------------------------------
r6422 | marko | 2010-01-12 11:34:27 +0200 (Tue, 12 Jan 2010) | 3 lines
Changed paths:
M /branches/5.1/handler/ha_innodb.cc
M /branches/5.1/handler/ha_innodb.h
branches/5.1: Non-functional change:
Make innobase_get_int_col_max_value() a static function.
It does not access any fields of class ha_innobase.
------------------------------------------------------------------------
r6424 | marko | 2010-01-12 12:22:19 +0200 (Tue, 12 Jan 2010) | 16 lines
Changed paths:
M /branches/5.1/handler/ha_innodb.cc
M /branches/5.1/handler/ha_innodb.h
branches/5.1: In innobase_initialize_autoinc(), do not attempt to read
the maximum auto-increment value from the table if
innodb_force_recovery is set to at least 4, so that writes are
disabled. (Bug #46193)
innobase_get_int_col_max_value(): Move the function definition before
ha_innobase::innobase_initialize_autoinc(), because that function now
calls this function.
ha_innobase::innobase_initialize_autoinc(): Change the return type to
void. Do not attempt to read the maximum auto-increment value from
the table if innodb_force_recovery is set to at least 4. Issue
ER_AUTOINC_READ_FAILED to the client when the auto-increment value
cannot be read.
rb://144 by Sunny, revised by Marko
------------------------------------------------------------------------
Detailed revision comments:
r6367 | marko | 2009-12-28 15:39:19 +0200 (Mon, 28 Dec 2009) | 2 lines
branches/zip: dict_index_add_to_cache(): Always free the index object,
also when returning DB_CORRUPTION.
Detailed revision comments:
r6348 | marko | 2009-12-22 11:04:34 +0200 (Tue, 22 Dec 2009) | 37 lines
branches/zip: Merge a change from MySQL:
r6351 | marko | 2009-12-22 11:11:18 +0200 (Tue, 22 Dec 2009) | 1 line
branches/zip: Remove an obsolete declaration of LOCK_thread_count.
r6352 | marko | 2009-12-22 12:33:01 +0200 (Tue, 22 Dec 2009) | 104 lines
branches/zip: Merge revisions 6206:6350 from branches/5.1,
except r6347, r6349, r6350 which were committed separately
to both branches, and r6310, which was backported from zip to 5.1.
------------------------------------------------------------------------
r6206 | jyang | 2009-11-20 09:38:43 +0200 (Fri, 20 Nov 2009) | 3 lines
Changed paths:
M /branches/5.1/handler/ha_innodb.cc
branches/5.1: Non-functional change, fix formatting.
------------------------------------------------------------------------
r6230 | sunny | 2009-11-24 23:52:43 +0200 (Tue, 24 Nov 2009) | 3 lines
Changed paths:
M /branches/5.1/mysql-test/innodb-autoinc.result
branches/5.1: Fix autoinc failing test results.
(this should be skipped when merging 5.1 into zip)
------------------------------------------------------------------------
r6231 | sunny | 2009-11-25 10:26:27 +0200 (Wed, 25 Nov 2009) | 7 lines
Changed paths:
M /branches/5.1/mysql-test/innodb-autoinc.result
M /branches/5.1/mysql-test/innodb-autoinc.test
M /branches/5.1/row/row0sel.c
branches/5.1: Fix BUG#49032 - auto_increment field does not initialize to last value in InnoDB Storage Engine.
We use the appropriate function to read the column value for non-integer
autoinc column types, namely float and double.
rb://208. Approved by Marko.
------------------------------------------------------------------------
r6232 | sunny | 2009-11-25 10:27:39 +0200 (Wed, 25 Nov 2009) | 2 lines
Changed paths:
M /branches/5.1/row/row0sel.c
branches/5.1: This is an interim fix, fix white space errors.
------------------------------------------------------------------------
r6233 | sunny | 2009-11-25 10:28:35 +0200 (Wed, 25 Nov 2009) | 2 lines
Changed paths:
M /branches/5.1/include/mach0data.h
M /branches/5.1/include/mach0data.ic
M /branches/5.1/mysql-test/innodb-autoinc.result
M /branches/5.1/mysql-test/innodb-autoinc.test
M /branches/5.1/row/row0sel.c
branches/5.1: This is an interim fix, fix tests and make read float/double arg const.
------------------------------------------------------------------------
r6234 | sunny | 2009-11-25 10:29:03 +0200 (Wed, 25 Nov 2009) | 2 lines
Changed paths:
M /branches/5.1/row/row0sel.c
branches/5.1: This is an interim fix, fix whitepsace issues.
------------------------------------------------------------------------
r6235 | sunny | 2009-11-26 01:14:42 +0200 (Thu, 26 Nov 2009) | 9 lines
Changed paths:
M /branches/5.1/handler/ha_innodb.cc
M /branches/5.1/mysql-test/innodb-autoinc.result
M /branches/5.1/mysql-test/innodb-autoinc.test
branches/5.1: Fix Bug#47720 - REPLACE INTO Autoincrement column with negative values.
This bug is similiar to the negative autoinc filter patch from earlier,
with the additional handling of filtering out the negative column values
set explicitly by the user.
rb://184
Approved by Heikki.
------------------------------------------------------------------------
r6242 | vasil | 2009-11-27 22:07:12 +0200 (Fri, 27 Nov 2009) | 4 lines
Changed paths:
M /branches/5.1/export.sh
branches/5.1:
Minor changes to support plugin snapshots.
------------------------------------------------------------------------
r6306 | calvin | 2009-12-14 15:12:46 +0200 (Mon, 14 Dec 2009) | 5 lines
Changed paths:
M /branches/5.1/mysql-test/innodb-autoinc.result
M /branches/5.1/mysql-test/innodb-autoinc.test
branches/5.1: fix bug#49267: innodb-autoinc.test fails on windows
because of different case mode
There is no change to the InnoDB code, only to fix test case by
changing "T1" to "t1".
------------------------------------------------------------------------
r6324 | jyang | 2009-12-17 06:54:24 +0200 (Thu, 17 Dec 2009) | 8 lines
Changed paths:
M /branches/5.1/handler/ha_innodb.cc
M /branches/5.1/include/lock0lock.h
M /branches/5.1/include/srv0srv.h
M /branches/5.1/lock/lock0lock.c
M /branches/5.1/log/log0log.c
M /branches/5.1/srv/srv0srv.c
M /branches/5.1/srv/srv0start.c
branches/5.1: Fix bug #47814 - Diagnostics are frequently not
printed after a long lock wait in InnoDB. Separate out the
lock wait timeout check thread from monitor information
printing thread.
rb://200 Approved by Marko.
------------------------------------------------------------------------
r6364 | marko | 2009-12-26 21:06:31 +0200 (Sat, 26 Dec 2009) | 4 lines
branches/zip: ibuf_bitmap_get_map_page():
Define a wrapper macro that passes __FILE__, __LINE__ of the caller
to buf_page_get_gen().
This will ease the diagnosis of the likes of Issue #135.
Detailed revision comments:
r6346 | marko | 2009-12-21 12:03:25 +0200 (Mon, 21 Dec 2009) | 2 lines
branches/zip: recv_recovery_from_checkpoint_finish():
Revert a change that was accidentally committed in r6345.
Detailed revision comments:
r6345 | marko | 2009-12-21 10:46:14 +0200 (Mon, 21 Dec 2009) | 7 lines
branches/zip: recv_scan_log_recs(): Non-functional change: Replace a
debug assertion ut_ad(len > 0) with ut_ad(len >= OS_FILE_LOG_BLOCK_SIZE).
This change is only for readability, for Issue #428. Another
assertion on len being an integer multiple of OS_FILE_LOG_BLOCK_SIZE
already ensured together with the old ut_ad(len > 0) that actually len
must be at least OS_FILE_LOG_BLOCK_SIZE.
Detailed revision comments:
r6321 | marko | 2009-12-16 16:16:33 +0200 (Wed, 16 Dec 2009) | 4 lines
branches/zip: row_merge_drop_temp_indexes(): Revert a hack to
transaction isolation level that was made unnecessary by r5826 (Issue #337).
When this function is called, any active data dictionary transaction
should have been rolled back.
Detailed revision comments:
r6312 | marko | 2009-12-16 10:10:36 +0200 (Wed, 16 Dec 2009) | 6 lines
branches/zip: fil_close(): Add #ifndef UNIV_HOTBACKUP around a debug
assertion on mutex.magic_n. InnoDB Hot Backup is a single-threaded
program and does not contain mutexes. This change allows InnoDB Hot
Backup to be compiled with UNIV_DEBUG.
Suggested by Michael Izioumtchenko.
Detailed revision comments:
r6285 | marko | 2009-12-09 09:24:50 +0200 (Wed, 09 Dec 2009) | 13 lines
branches/zip: row_sel_fetch_columns(): Remove redundant code that was
accidentally added in r1591, which introduced dfield_t::ext in order
to make the merge sort of fast index creation support externally
stored columns,
Initially, I tried to allocate the bit for dfield_t::ext from
dfield_t::len by making the length 31 bits and mapping UNIV_SQL_NULL
to something that would fit in it. Then I decided that it would be
too risky. The redundant check was part of the mapping. The
condition may have been dfield_is_null() initially.
This redundant code was noticed by Sergey Petrunya on the MySQL
internals list.
r6288 | marko | 2009-12-09 09:51:00 +0200 (Wed, 09 Dec 2009) | 15 lines
branches/zip: row_upd_copy_columns(): Remove redundant code that was
accidentally added in r1591, which introduced dfield_t::ext in order
to make the merge sort of fast index creation support externally
stored columns.
Initially, I tried to allocate the bit for dfield_t::ext from
dfield_t::len by making the length 31 bits and mapping UNIV_SQL_NULL
to something that would fit in it. Then I decided that it would be
too risky. The redundant check was part of the mapping. The
condition may have been dfield_is_null() initially.
This is similar to the redundant code in row_sel_fetch_columns() that
was noticed by Sergey Petrunya on the MySQL internals list and removed
in r6285. As far as I can tell, there are no redundant UNIV_SQL_NULL
assignments remaining after this change.
Detailed revision comments:
r6275 | pekka | 2009-12-03 18:32:47 +0200 (Thu, 03 Dec 2009) | 10 lines
branches/zip: Minor changes which allow build with UNIV_HOTBACKUP
defined to succeed:
include/trx0sys.h: Allow Hot Backup build to see some
TRX_SYS_DOUBLEWRITE_... macros.
trx/trx0sys.c: Exclude trx_sys_close() function from Hot Backup build.
log/log0recv.[ch]: Exclude recv_sys_var_init() function from Hot Backup build.
This change should not affect !UNIV_HOTBACKUP build.
Detailed revision comments:
r6274 | marko | 2009-12-03 14:47:12 +0200 (Thu, 03 Dec 2009) | 6 lines
branches/zip: dict_table_check_for_dup_indexes(): Assert that the
data dictionary mutex is being held while table->indexes is accessed.
This is already the case.
Currently, only dict_table_get_next_index() and dict_table_get_first_index()
are being invoked without holding dict_sys->mutex.
Detailed revision comments:
r6272 | marko | 2009-12-02 11:46:05 +0200 (Wed, 02 Dec 2009) | 1 line
branches/zip: Revert changes that were accidentally committed in r6271.
Detailed revision comments:
r6271 | marko | 2009-12-02 11:43:49 +0200 (Wed, 02 Dec 2009) | 2 lines
branches/zip: ChangeLog: Document that since r6270, the zlib version number
will be displayed at start-up.
Detailed revision comments:
r6263 | vasil | 2009-12-01 14:49:05 +0200 (Tue, 01 Dec 2009) | 4 lines
branches/zip: Increment version number from 1.0.6 to 1.0.7
1.0.6 has been released
Detailed revision comments:
r6252 | marko | 2009-11-30 12:50:11 +0200 (Mon, 30 Nov 2009) | 23 lines
branches/zip: Suppress errors about non-found temporary tables.
Write the is_temp flag to SYS_TABLES.MIX_LEN.
dict_table_t:🎏 Add a flag for is_temporary, DICT_TF2_TEMPORARY.
Unlike other flags, this will not be written to the tablespace flags
or SYS_TABLES.TYPE, but only to SYS_TABLES.MIX_LEN.
dict_build_table_def_step(): Only pass DICT_TF_BITS to tablespaces.
dict_check_tablespaces_and_store_max_id(), dict_load_table():
Suppress errors about temporary tables not being found.
dict_create_sys_tables_tuple(): Write the DICT_TF2_TEMPORARY flag
to SYS_TABLES.MIX_LEN.
fil_space_create(), fil_create_new_single_table_tablespace(): Add assertions
about space->flags.
row_drop_table_for_mysql(): Do not complain about non-found temporary tables.
rb://160 approved by Heikki Tuuri. This addresses the second part of
Bug #41609 Crash recovery does not work for InnoDB temporary tables.
Detailed revision comments:
r6248 | marko | 2009-11-30 12:19:50 +0200 (Mon, 30 Nov 2009) | 1 line
branches/zip: ChangeLog: Document r4922 that was forgotten.
There was no way to repair corrupt ARCHIVE data file,
when unrecoverable data loss is inevitable.
With this fix REPAIR ... EXTENDED attempts to restore
as much rows as possible, ignoring unrecoverable data.
Normal REPAIR is still able to repair meta-data file
only.
mysql-test/r/archive.result:
A test case for BUG#46565.
mysql-test/std_data/bug46565.ARZ:
A test case for BUG#46565.
mysql-test/std_data/bug46565.frm:
A test case for BUG#46565.
mysql-test/t/archive.test:
A test case for BUG#46565.
storage/archive/ha_archive.cc:
Allow unrecoverable data loss when extended repair
is requested.
Repairing MyISAM table with fulltext indexes and low
myisam_sort_buffer_size may crash the server.
Estimation of number of index entries was done incorrectly,
causing further assertion failure or server crash.
Docs note: min value for myisam_sort_buffer_size has been
changed from 4 to 4096.
mysql-test/r/fulltext.result:
A test case for BUG#51866.
mysql-test/r/myisam.result:
Min value for myisam_sort_buffer_size is 4096.
mysql-test/r/variables.result:
Min value for myisam_sort_buffer_size is 4096.
mysql-test/suite/sys_vars/r/myisam_sort_buffer_size_basic_32.result:
Min value for myisam_sort_buffer_size is 4096.
mysql-test/t/fulltext.test:
A test case for BUG#51866.
sql/mysqld.cc:
Min value for myisam_sort_buffer_size is 4096.
storage/myisam/mi_check.c:
When estimating number of index entries for external
fulltext parser, take into account that key_length may
be bigger than myisam_sort_buffer_size. Reuse logic
from _create_index_by_sort(): force MIN_SORT_BUFFER to
be min value for myisam_sort_buffer_size.
Another problem is that ftkey_nr has no other meaning
than serial number of fulltext index starting with 1.
We can't say if this key using built-in or external
parser basing on it's value. In other words we always
entered if-branch for external parser. At this point,
the only way to check if we use default parser is to
compare keyinfo::parser with &ft_default_parser.
storage/myisam/sort.c:
Get rid of MIN_SORT_MEMORY, use MIN_SORT_BUFFER instead
(defined in myisamdef.h, has the same value and purpose).
Invalid memory read if HANDLER ... READ NEXT is executed
after failed (e.g. empty table) HANDLER ... READ FIRST.
The problem was that we attempted to perform READ NEXT,
whereas there is no pivot available from failed READ FIRST.
With this fix READ NEXT after failed READ FIRST equals
to READ FIRST.
This bug affects MyISAM tables only.
mysql-test/r/gis-rtree.result:
Restore a test case for BUG51357.
mysql-test/r/handler_myisam.result:
A test case for BUG#51877.
mysql-test/t/gis-rtree.test:
Restore a test case for BUG51357.
mysql-test/t/handler_myisam.test:
A test case for BUG#51877.
storage/myisam/mi_rnext.c:
"search first" failed. This means we have no pivot for
"search next", or in other words MI_INFO::lastkey is
likely uninitialized.
Normally SQL layer would never request "search next" if
"search first" failed. But HANDLER may do anything.
As mi_rnext() without preceeding mi_rkey()/mi_rfirst()
equals to mi_rfirst(), we must restore original state
as if failing mi_rfirst() was not called.
When MyISAM writes newly created index page it may be
initialized partially. In other words some bytes of
sensible data and uninitialized tail of the page may
go into index file.
Under certain rare circumstances these hunks of memory
may contain data that would be otherwise inaccessible
to user, like passwords or data from other tables.
Fixed by initializing memory for temporary MyISAM key
buffer to '\0'.
No test case for this fix as it is heavily covered by
existing tests.
storage/myisam/mi_open.c:
When creating new MI_INFO object, initialize MI_INFO::buff.
This is done to ensure that we never write uninitialized
memory hunks to index file.
storage/myisam/mi_page.c:
No need to silence memory error detector anymore,
page buffer is always initialized.
storage/myisam/mi_write.c:
Fixed invalid memory read of 2 bytes. new_right_length
is length of data on a page, including first 2 bytes
that store this length itself. pos + k_length is pure
data excluding these 2 bytes containing length.
storage/myisam/rt_index.c:
To avoid uninitialized data write, create new page
on info->buff, instead of locally allocated buffer.
Note: second key block on info->buff is used here,
because first block is used by called functions.
storage/myisam/rt_split.c:
To avoid uninitialized data write, create new page
on info->buff, instead of locally allocated buffer.
Detailed revision comments:
r6822 | vasil | 2010-03-15 10:17:31 +0200 (Mon, 15 Mar 2010) | 12 lines
branches/5.1:
Typecast to silence a compiler warning:
row/row0sel.c: 4548
C4244: '=' : conversion from 'float' to 'ib_ulonglong', possible loss of data
row/row0sel.c: 4553
C4244: '=' : conversion from 'double' to 'ib_ulonglong', possible loss of data
Reported by: Jonas Oreland <Jonas.Oreland@Sun.COM>
Discussed with: Sunny Bains <sunny.bains@oracle.com>
Detailed revision comments:
r6783 | jyang | 2010-03-09 17:54:14 +0200 (Tue, 09 Mar 2010) | 9 lines
branches/5.1: Fix bug #47621 "MySQL and InnoDB data dictionaries
will become out of sync when renaming columns". MySQL does not
provide new column name information to storage engine to
update the system table. To avoid column name mismatch, we shall
just request a table copy for now.
rb://246 approved by Marko.
myisam tables
Queries following TRUNCATE of partitioned MyISAM table
may crash server if myisam_use_mmap is true.
Internally this is MyISAM bug, but limited to partitioned
tables, because MyISAM doesn't use ::delete_all_rows()
method for TRUNCATE, but goes via table recreate instead.
MyISAM didn't properly fall back to non-mmaped I/O after
mmap() failure. Was not repeatable on linux before, likely
because (quote from man mmap):
SUSv3 specifies that mmap() should fail if length is 0.
However, in kernels before 2.6.12, mmap() succeeded in
this case: no mapping was created and the call returned
addr. Since kernel 2.6.12, mmap() fails with the error
EINVAL for this case.
mysql-test/r/partition.result:
A test case for BUG#51868.
mysql-test/t/partition.test:
A test case for BUG#51868.
storage/myisam/mi_delete_all.c:
_mi_unmap_file() is compressed record format specific,
which is read-only. As compressed MyISAM data files are
read-only, we must never use _mi_unmap_file() in
mi_delete_all_rows().
storage/myisam/mi_dynrec.c:
Make myisam mmap code more durable to errors:
- set file_read/file_write handlers if mmap succeeded;
- reset file_read/file_write handlers on unmap.
storage/myisam/mi_extra.c:
Moved file_read/file_write handlers initialization to
mi_dynmap_file().
storage/myisam/myisamdef.h:
Added mi_munmap_file() declaration.
