mirror of
https://github.com/MariaDB/server.git
synced 2025-02-01 11:31:51 +01:00
8a3ea85c92
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r5147 | marko | 2009-05-27 06:55:14 -0400 (Wed, 27 May 2009) | 1 line
branches/zip: ibuf0ibuf.c: Improve a comment.
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r5149 | marko | 2009-05-27 07:46:42 -0400 (Wed, 27 May 2009) | 34 lines
branches/zip: Merge revisions 4994:5148 from branches/5.1:
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r5126 | vasil | 2009-05-26 16:57:12 +0300 (Tue, 26 May 2009) | 9 lines
branches/5.1:
Preparation for the fix of
Bug#45097 Hang during recovery, redo logs for doublewrite buffer pages
Non-functional change: move FSP_* macros from fsp0fsp.h to a new file
fsp0types.h. This is needed in order to be able to use FSP_EXTENT_SIZE
in mtr0log.ic.
------------------------------------------------------------------------
r5127 | vasil | 2009-05-26 17:05:43 +0300 (Tue, 26 May 2009) | 9 lines
branches/5.1:
Preparation for the fix of
Bug#45097 Hang during recovery, redo logs for doublewrite buffer pages
Do not include unnecessary headers mtr0log.h and fut0lst.h in trx0sys.h
and include fsp0fsp.h just before it is needed. This is needed in order
to be able to use TRX_SYS_SPACE in mtr0log.ic.
------------------------------------------------------------------------
r5128 | vasil | 2009-05-26 17:26:37 +0300 (Tue, 26 May 2009) | 7 lines
branches/5.1:
Fix Bug#45097 Hang during recovery, redo logs for doublewrite buffer pages
Do not write redo log for the pages in the doublewrite buffer. Also, do not
make a dummy change to the page because this is not needed.
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r5169 | marko | 2009-05-28 03:21:55 -0400 (Thu, 28 May 2009) | 1 line
branches/zip: mtr0mtr.h: Add Doxygen comments for the redo log entry types.
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r5176 | marko | 2009-05-28 07:14:02 -0400 (Thu, 28 May 2009) | 1 line
branches/zip: Correct a debug assertion that was added in r5125.
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r5201 | marko | 2009-06-01 06:35:25 -0400 (Mon, 01 Jun 2009) | 2 lines
branches/zip: Clean up some comments.
Make the rec parameter of mlog_open_and_write_index() const.
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r5234 | marko | 2009-06-03 08:26:41 -0400 (Wed, 03 Jun 2009) | 44 lines
branches/zip: Merge revisions 5148:5233 from branches/5.1:
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r5150 | vasil | 2009-05-27 18:56:03 +0300 (Wed, 27 May 2009) | 4 lines
branches/5.1:
Whitespace fixup.
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r5191 | vasil | 2009-05-30 17:46:05 +0300 (Sat, 30 May 2009) | 19 lines
branches/5.1:
Merge a change from MySQL (this fixes the failing innodb_mysql test):
------------------------------------------------------------
revno: 1810.3894.10
committer: Sergey Glukhov <Sergey.Glukhov@sun.com>
branch nick: mysql-5.0-bugteam
timestamp: Tue 2009-05-19 11:32:21 +0500
message:
Bug#39793 Foreign keys not constructed when column has a '#' in a comment or default value
Internal InnoDN FK parser does not recognize '\'' as quotation symbol.
Suggested fix is to add '\'' symbol check for quotation condition
(dict_strip_comments() function).
modified:
innobase/dict/dict0dict.c
mysql-test/r/innodb_mysql.result
mysql-test/t/innodb_mysql.test
------------------------------------------------------------------------
r5233 | marko | 2009-06-03 15:12:44 +0300 (Wed, 03 Jun 2009) | 11 lines
branches/5.1: Merge the test case from r5232 from branches/5.0:
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r5232 | marko | 2009-06-03 14:31:04 +0300 (Wed, 03 Jun 2009) | 21 lines
branches/5.0: Merge r3590 from branches/5.1 in order to fix Bug #40565
(Update Query Results in "1 Row Affected" But Should Be "Zero Rows").
Also, add a test case for Bug #40565.
rb://128 approved by Heikki Tuuri
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------------------------------------------------------------------------
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r5250 | marko | 2009-06-04 02:58:23 -0400 (Thu, 04 Jun 2009) | 1 line
branches/zip: Add Doxygen comments to the rest of buf0*.
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r5251 | marko | 2009-06-04 02:59:51 -0400 (Thu, 04 Jun 2009) | 1 line
branches/zip: Replace <= in a function comment.
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r5253 | marko | 2009-06-04 06:37:35 -0400 (Thu, 04 Jun 2009) | 1 line
branches/zip: Add missing Doxygen comments for page0zip.
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r5261 | vasil | 2009-06-05 11:13:31 -0400 (Fri, 05 Jun 2009) | 15 lines
branches/zip:
Fix Mantis Issue#244 fix bug in linear read ahead (no check on access pattern)
The changes are:
1) Take into account access pattern when deciding whether or not to do linear
read ahead.
2) Expose a knob innodb_read_ahead_factor = [0-64] default (8), dynamic,
global to control linear read ahead behvior
3) Disable random read ahead. Keep the code for now.
Submitted by: Inaam (rb://122)
Approved by: Heikki (rb://122)
------------------------------------------------------------------------
r5262 | vasil | 2009-06-05 12:04:25 -0400 (Fri, 05 Jun 2009) | 22 lines
branches/zip:
Enable functionality to have multiple background io helper threads.
This patch is based on percona contributions.
More details about this patch will be written at:
https://svn.innodb.com/innobase/MultipleBackgroundThreads
The patch essentially does the following:
expose following knobs:
innodb_read_io_threads = [1 - 64] default 1
innodb_write_io_threads = [1 - 64] default 1
deprecate innodb_file_io_threads (this parameter was relevant only on windows)
Internally it allows multiple segments for read and write IO request arrays
where one thread works on one segement.
Submitted by: Inaam (rb://124)
Approved by: Heikki (rb://124)
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r5263 | vasil | 2009-06-05 12:19:37 -0400 (Fri, 05 Jun 2009) | 4 lines
branches/zip:
Whitespace cleanup.
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r5264 | vasil | 2009-06-05 12:26:58 -0400 (Fri, 05 Jun 2009) | 4 lines
branches/zip:
Add ChangeLog entry for r5261.
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r5265 | vasil | 2009-06-05 12:34:11 -0400 (Fri, 05 Jun 2009) | 4 lines
branches/zip:
Add ChangeLog entry for r5262.
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r5268 | inaam | 2009-06-08 12:18:21 -0400 (Mon, 08 Jun 2009) | 7 lines
branches/zip
Non functional change:
Added legal notices acknowledging percona contribution to the multiple
IO helper threads patch i.e.: r5262
------------------------------------------------------------------------
r5283 | inaam | 2009-06-09 13:46:29 -0400 (Tue, 09 Jun 2009) | 9 lines
branches/zip
rb://130
Enable Group Commit functionality that was broken in 5.0 when
distributed transactions were introduced.
Reviewed by: Heikki
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r5319 | marko | 2009-06-11 04:40:33 -0400 (Thu, 11 Jun 2009) | 3 lines
branches/zip: Declare os_thread_id_t as unsigned long,
because ulint is wrong on Win64.
Pointed out by Vladislav Vaintroub <wlad@sun.com>.
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r5320 | inaam | 2009-06-11 09:15:41 -0400 (Thu, 11 Jun 2009) | 14 lines
branches/zip rb://131
This patch changes the following defaults:
max_dirty_pages_pct: default from 90 to 75. max allowed from 100 to 99
additional_mem_pool_size: default from 1 to 8 MB
buffer_pool_size: default from 8 to 128 MB
log_buffer_size: default from 1 to 8 MB
read_io_threads/write_io_threads: default from 1 to 4
The log file sizes are untouched because of upgrade issues
Reviewed by: Heikki
------------------------------------------------------------------------
r5330 | marko | 2009-06-16 04:08:59 -0400 (Tue, 16 Jun 2009) | 2 lines
branches/zip: buf_page_get_gen(): Reduce mutex holding time by adjusting
buf_pool->n_pend_unzip while only holding buf_pool_mutex.
------------------------------------------------------------------------
r5331 | marko | 2009-06-16 05:00:48 -0400 (Tue, 16 Jun 2009) | 2 lines
branches/zip: buf_page_get_zip(): Eliminate a buf_page_get_mutex() call.
The function must switch on the block state anyway.
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r5332 | vasil | 2009-06-16 05:03:27 -0400 (Tue, 16 Jun 2009) | 4 lines
branches/zip:
Add ChangeLog entries for r5283 and r5320.
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r5333 | marko | 2009-06-16 05:27:46 -0400 (Tue, 16 Jun 2009) | 1 line
branches/zip: buf_page_io_query(): Remove unused function.
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r5335 | marko | 2009-06-16 09:23:10 -0400 (Tue, 16 Jun 2009) | 2 lines
branches/zip: innodb.test: Adjust the tolerance of
innodb_buffer_pool_pages_total for r5320.
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r5342 | marko | 2009-06-17 06:15:32 -0400 (Wed, 17 Jun 2009) | 60 lines
branches/zip: Merge revisions 5233:5341 from branches/5.1:
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r5233 | marko | 2009-06-03 15:12:44 +0300 (Wed, 03 Jun 2009) | 11 lines
branches/5.1: Merge the test case from r5232 from branches/5.0:
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r5232 | marko | 2009-06-03 14:31:04 +0300 (Wed, 03 Jun 2009) | 21 lines
branches/5.0: Merge r3590 from branches/5.1 in order to fix Bug #40565
(Update Query Results in "1 Row Affected" But Should Be "Zero Rows").
Also, add a test case for Bug #40565.
rb://128 approved by Heikki Tuuri
------------------------------------------------------------------------
------------------------------------------------------------------------
r5243 | sunny | 2009-06-04 03:17:14 +0300 (Thu, 04 Jun 2009) | 14 lines
branches/5.1: When the InnoDB and MySQL data dictionaries go out of sync, before
the bug fix we would assert on missing autoinc columns. With this fix we allow
MySQL to open the table but set the next autoinc value for the column to the
MAX value. This effectively disables the next value generation. INSERTs will
fail with a generic AUTOINC failure. However, the user should be able to
read/dump the table, set the column values explicitly, use ALTER TABLE to
set the next autoinc value and/or sync the two data dictionaries to resume
normal operations.
Fix Bug#44030 Error: (1500) Couldn't read the MAX(ID) autoinc value from the
index (PRIMARY)
rb://118
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r5252 | sunny | 2009-06-04 10:16:24 +0300 (Thu, 04 Jun 2009) | 2 lines
branches/5.1: The version of the result file checked in was broken in r5243.
------------------------------------------------------------------------
r5259 | vasil | 2009-06-05 10:29:16 +0300 (Fri, 05 Jun 2009) | 7 lines
branches/5.1:
Remove the word "Error" from the printout because the mysqltest suite
interprets it as an error and thus the innodb-autoinc test fails.
Approved by: Sunny (via IM)
------------------------------------------------------------------------
r5339 | marko | 2009-06-17 11:01:37 +0300 (Wed, 17 Jun 2009) | 2 lines
branches/5.1: Add missing #include "mtr0log.h" so that the code compiles
with -DUNIV_MUST_NOT_INLINE.
(null merge; this had already been committed in branches/zip)
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r5340 | marko | 2009-06-17 12:11:49 +0300 (Wed, 17 Jun 2009) | 4 lines
branches/5.1: row_unlock_for_mysql(): When the clustered index is unknown,
refuse to unlock the record.
(Bug #45357, caused by the fix of Bug #39320).
rb://132 approved by Sunny Bains.
------------------------------------------------------------------------
------------------------------------------------------------------------
r5343 | vasil | 2009-06-17 08:56:12 -0400 (Wed, 17 Jun 2009) | 4 lines
branches/zip:
Add ChangeLog entry for r5342.
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r5344 | marko | 2009-06-17 09:03:45 -0400 (Wed, 17 Jun 2009) | 1 line
branches/zip: row_merge_read_rec(): Fix a UNIV_DEBUG bug (Bug #45426)
------------------------------------------------------------------------
r5391 | marko | 2009-06-22 05:31:35 -0400 (Mon, 22 Jun 2009) | 2 lines
branches/zip: buf_page_get_zip(): Fix a bogus warning about
block_mutex being possibly uninitialized.
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r5392 | marko | 2009-06-22 07:58:20 -0400 (Mon, 22 Jun 2009) | 4 lines
branches/zip: ha_innobase::check_if_incompatible_data(): When
ROW_FORMAT=DEFAULT, do not compare to get_row_type().
Without this change, fast index creation will be disabled
in recent versions of MySQL 5.1.
------------------------------------------------------------------------
r5393 | pekka | 2009-06-22 09:27:55 -0400 (Mon, 22 Jun 2009) | 4 lines
branches/zip: Minor changes for Hot Backup to build correctly. (The
code bracketed between #ifdef UNIV_HOTBACKUP and #endif /* UNIV_HOTBACKUP */).
This change should not affect !UNIV_HOTBACKUP build.
------------------------------------------------------------------------
r5394 | pekka | 2009-06-22 09:46:34 -0400 (Mon, 22 Jun 2009) | 4 lines
branches/zip: Add functions for checking the format of tablespaces
for Hot Backup build (UNIV_HOTBACKUP defined).
This change should not affect !UNIV_HOTBACKUP build.
------------------------------------------------------------------------
r5397 | calvin | 2009-06-23 16:59:42 -0400 (Tue, 23 Jun 2009) | 7 lines
branches/zip: change the header file path.
Change the header file path from ../storage/innobase/include/
to ../include/. In the planned 5.1 + plugin release, the source
directory of the plugin will not be in storage/innobase.
Approved by: Heikki (IM)
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r5407 | calvin | 2009-06-24 09:51:08 -0400 (Wed, 24 Jun 2009) | 4 lines
branches/zip: remove relative path of header files.
Suggested by Marko.
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r5412 | marko | 2009-06-25 06:27:08 -0400 (Thu, 25 Jun 2009) | 1 line
branches/zip: Replace a DBUG_ASSERT with ut_a to track down Issue #290.
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r5415 | marko | 2009-06-25 06:45:57 -0400 (Thu, 25 Jun 2009) | 3 lines
branches/zip: dict_index_find_cols(): Print diagnostic on name mismatch.
This addresses Bug #44571 but does not fix it.
rb://135 approved by Sunny Bains.
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r5417 | marko | 2009-06-25 08:20:56 -0400 (Thu, 25 Jun 2009) | 1 line
branches/zip: ha_innodb.cc: Move the misplaced Doxygen @file comment.
------------------------------------------------------------------------
r5418 | marko | 2009-06-25 08:55:52 -0400 (Thu, 25 Jun 2009) | 5 lines
branches/zip: Fix a race condition caused by
SET GLOBAL innodb_commit_concurrency=DEFAULT. (Bug #45749)
When innodb_commit_concurrency is initially set nonzero,
DEFAULT would change it back to 0, triggering Bug #42101.
rb://139 approved by Heikki Tuuri.
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r5423 | calvin | 2009-06-26 16:52:52 -0400 (Fri, 26 Jun 2009) | 2 lines
branches/zip: Fix typos.
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r5425 | marko | 2009-06-29 04:52:30 -0400 (Mon, 29 Jun 2009) | 4 lines
branches/zip: ha_innobase::add_index(), ha_innobase::final_drop_index():
Start prebuilt->trx before locking the table. This should fix Issue #293
and could fix Issue #229.
Approved by Sunny (over IM).
------------------------------------------------------------------------
r5426 | marko | 2009-06-29 05:24:27 -0400 (Mon, 29 Jun 2009) | 3 lines
branches/zip: buf_page_get_gen(): Fix a race condition when reading
buf_fix_count. This could explain Issue #156.
Tested by Michael.
------------------------------------------------------------------------
r5427 | marko | 2009-06-29 05:54:53 -0400 (Mon, 29 Jun 2009) | 5 lines
branches/zip: lock_print_info_all_transactions(), buf_read_recv_pages():
Tolerate missing tablespaces (zip_size==ULINT_UNDEFINED).
buf_page_get_gen(): Add ut_ad(ut_is_2pow(zip_size)).
Issue #289, rb://136 approved by Sunny Bains
------------------------------------------------------------------------
r5428 | marko | 2009-06-29 07:06:29 -0400 (Mon, 29 Jun 2009) | 2 lines
branches/zip: row_sel_store_mysql_rec(): Add missing pointer cast.
Do not do arithmetics on void pointers.
------------------------------------------------------------------------
r5429 | marko | 2009-06-29 09:49:54 -0400 (Mon, 29 Jun 2009) | 13 lines
branches/zip: Do not crash on SET GLOBAL innodb_file_format=DEFAULT
or SET GLOBAL innodb_file_format_check=DEFAULT.
innodb_file_format.test: New test for innodb_file_format and
innodb_file_format_check.
innodb_file_format_name_validate(): Store the string in *save.
innodb_file_format_name_update(): Check the string again.
innodb_file_format_check_validate(): Store the string in *save.
innodb_file_format_check_update(): Check the string again.
Issue #282, rb://140 approved by Heikki Tuuri
------------------------------------------------------------------------
r5430 | marko | 2009-06-29 09:58:07 -0400 (Mon, 29 Jun 2009) | 2 lines
branches/zip: lock_rec_validate_page(): Add another assertion
to track down Issue #289.
------------------------------------------------------------------------
r5431 | marko | 2009-06-29 09:58:40 -0400 (Mon, 29 Jun 2009) | 1 line
branches/zip: Revert an accidentally made change in r5430 to univ.i.
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r5437 | marko | 2009-06-30 05:10:01 -0400 (Tue, 30 Jun 2009) | 1 line
branches/zip: ibuf_dummy_index_free(): Beautify the comment.
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r5438 | marko | 2009-06-30 05:10:32 -0400 (Tue, 30 Jun 2009) | 1 line
branches/zip: fseg_free(): Remove this unused function.
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r5439 | marko | 2009-06-30 05:15:22 -0400 (Tue, 30 Jun 2009) | 2 lines
branches/zip: fseg_validate(): Enclose in #ifdef UNIV_DEBUG.
This function is unused, but it could turn out to be a useful debugging aid.
------------------------------------------------------------------------
r5441 | marko | 2009-06-30 06:30:14 -0400 (Tue, 30 Jun 2009) | 2 lines
branches/zip: ha_delete(): Remove this unused function that was
very similar to ha_search_and_delete_if_found().
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r5442 | marko | 2009-06-30 06:45:41 -0400 (Tue, 30 Jun 2009) | 1 line
branches/zip: lock_is_on_table(), lock_table_unlock(): Unused, remove.
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r5443 | marko | 2009-06-30 07:03:00 -0400 (Tue, 30 Jun 2009) | 1 line
branches/zip: os_event_create_auto(): Unused, remove.
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r5444 | marko | 2009-06-30 07:19:49 -0400 (Tue, 30 Jun 2009) | 1 line
branches/zip: que_graph_try_free(): Unused, remove.
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r5445 | marko | 2009-06-30 07:28:11 -0400 (Tue, 30 Jun 2009) | 1 line
branches/zip: row_build_row_ref_from_row(): Unused, remove.
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r5446 | marko | 2009-06-30 07:35:45 -0400 (Tue, 30 Jun 2009) | 1 line
branches/zip: srv_que_round_robin(), srv_que_task_enqueue(): Unused, remove.
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r5447 | marko | 2009-06-30 07:37:58 -0400 (Tue, 30 Jun 2009) | 1 line
branches/zip: srv_que_task_queue_check(): Unused, remove.
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r5448 | marko | 2009-06-30 07:56:36 -0400 (Tue, 30 Jun 2009) | 1 line
branches/zip: mem_heap_cat(): Unused, remove.
------------------------------------------------------------------------
r5449 | marko | 2009-06-30 08:00:50 -0400 (Tue, 30 Jun 2009) | 2 lines
branches/zip: innobase_start_or_create_for_mysql():
Invoke os_get_os_version() at most once.
------------------------------------------------------------------------
r5450 | marko | 2009-06-30 08:02:20 -0400 (Tue, 30 Jun 2009) | 1 line
branches/zip: os_file_close_no_error_handling(): Unused, remove.
------------------------------------------------------------------------
r5451 | marko | 2009-06-30 08:09:49 -0400 (Tue, 30 Jun 2009) | 2 lines
branches/zip: page_set_max_trx_id(): Make the code compile
with UNIV_HOTBACKUP.
------------------------------------------------------------------------
r5452 | marko | 2009-06-30 08:10:26 -0400 (Tue, 30 Jun 2009) | 2 lines
branches/zip: os_file_close_no_error_handling(): Restore,
as this function is used within InnoDB Hot Backup.
------------------------------------------------------------------------
r5453 | marko | 2009-06-30 08:14:01 -0400 (Tue, 30 Jun 2009) | 1 line
branches/zip: os_process_set_priority_boost(): Unused, remove.
------------------------------------------------------------------------
r5454 | marko | 2009-06-30 08:42:52 -0400 (Tue, 30 Jun 2009) | 2 lines
branches/zip: Replace a non-ASCII character
(ISO 8859-1 encoded U+00AD SOFT HYPHEN) with a cheap ASCII substitute.
------------------------------------------------------------------------
r5456 | inaam | 2009-06-30 14:21:09 -0400 (Tue, 30 Jun 2009) | 4 lines
branches/zip
Non functional change. s/Percona/Percona Inc./
------------------------------------------------------------------------
r5470 | vasil | 2009-07-02 09:12:36 -0400 (Thu, 02 Jul 2009) | 16 lines
branches/zip:
Use PAUSE instruction inside spinloop if it is available.
The patch was originally developed by Mikael Ronstrom <mikael@mysql.com>
and can be found here:
http://bazaar.launchpad.net/%7Emysql/mysql-server/mysql-5.4/revision/2768
http://bazaar.launchpad.net/%7Emysql/mysql-server/mysql-5.4/revision/2771
http://bazaar.launchpad.net/%7Emysql/mysql-server/mysql-5.4/revision/2772
http://bazaar.launchpad.net/%7Emysql/mysql-server/mysql-5.4/revision/2774
http://bazaar.launchpad.net/%7Emysql/mysql-server/mysql-5.4/revision/2777
http://bazaar.launchpad.net/%7Emysql/mysql-server/mysql-5.4/revision/2799
http://bazaar.launchpad.net/%7Emysql/mysql-server/mysql-5.4/revision/2800
Approved by: Heikki (rb://137)
------------------------------------------------------------------------
r5481 | vasil | 2009-07-06 13:16:32 -0400 (Mon, 06 Jul 2009) | 4 lines
branches/zip:
Remove unnecessary quotes and simplify plug.in.
------------------------------------------------------------------------
r5482 | calvin | 2009-07-06 18:36:35 -0400 (Mon, 06 Jul 2009) | 5 lines
branches/zip: add COPYING files for Percona and Sun Micro.
1.0.4 contains patches based on contributions from Percona
and Sun Microsystems.
------------------------------------------------------------------------
r5483 | calvin | 2009-07-07 05:36:43 -0400 (Tue, 07 Jul 2009) | 3 lines
branches/zip: add IB_HAVE_PAUSE_INSTRUCTION to CMake.
Windows will support PAUSE instruction by default.
------------------------------------------------------------------------
r5484 | inaam | 2009-07-07 18:57:14 -0400 (Tue, 07 Jul 2009) | 13 lines
branches/zip rb://126
Based on contribution from Google Inc.
This patch introduces a new parameter innodb_io_capacity to control the
rate at which master threads performs various tasks. The default value
is 200 and higher values imply more aggressive flushing and ibuf merges
from within the master thread.
This patch also changes the ibuf merge from synchronous to asynchronous.
Another minor change is not to force the master thread to wait for a
log flush to complete every second.
Approved by: Heikki
------------------------------------------------------------------------
r5485 | inaam | 2009-07-07 19:00:49 -0400 (Tue, 07 Jul 2009) | 18 lines
branches/zip rb://138
The current implementation is to try to flush the neighbors of every
page that we flush. This patch makes the following distinction:
1) If the flush is from flush_list AND
2) If the flush is intended to move the oldest_modification LSN ahead
(this happens when a user thread sees little space in the log file and
attempts to flush pages from the buffer pool so that a checkpoint can
be made)
THEN
Do not try to flush the neighbors. Just focus on flushing dirty pages at
the end of flush_list
Approved by: Heikki
------------------------------------------------------------------------
r5486 | inaam | 2009-07-08 12:11:40 -0400 (Wed, 08 Jul 2009) | 29 lines
branches/zip rb://133
This patch introduces heuristics based flushing rate of dirty pages to
avoid IO bursts at checkpoint.
1) log_capacity / log_generated per second gives us number of seconds
in which ALL dirty pages need to be flushed. Based on this rough
assumption we can say that
n_dirty_pages / (log_capacity / log_generation_rate) = desired_flush_rate
2) We use weighted averages (hard coded to 20 seconds) of
log_generation_rate to avoid resonance.
3) From the desired_flush_rate we subtract the number of pages that have
been flushed due to LRU flushing. That gives us pages that we should
flush as part of flush_list cleanup. And that is the number (capped by
maximum io_capacity) that we try to flush from the master thread.
Knobs:
======
innodb_adaptive_flushing: boolean, global, dynamic, default TRUE.
Since this heuristic is very experimental and has the potential to
dramatically change the IO pattern I think it is a good idea to leave a
knob to turn it off.
Approved by: Heikki
------------------------------------------------------------------------
r5487 | calvin | 2009-07-08 12:42:28 -0400 (Wed, 08 Jul 2009) | 7 lines
branches/zip: fix PAUSE instruction patch on Windows
The original PAUSE instruction patch (r5470) does not
compile on Windows. Also, there is an elegant way of
doing it on Windows - YieldProcessor().
Approved by: Heikki (on IM)
------------------------------------------------------------------------
r5489 | vasil | 2009-07-10 05:02:22 -0400 (Fri, 10 Jul 2009) | 9 lines
branches/zip:
Change the defaults for
innodb_sync_spin_loops: 20 -> 30
innodb_spin_wait_delay: 5 -> 6
This change was proposed by Sun/MySQL based on their performance testing,
see https://svn.innodb.com/innobase/Release_tasks_for_InnoDB_Plugin_V1.0.4
------------------------------------------------------------------------
r5490 | vasil | 2009-07-10 05:04:20 -0400 (Fri, 10 Jul 2009) | 4 lines
branches/zip:
Add ChangeLog entry for 5489.
------------------------------------------------------------------------
r5491 | calvin | 2009-07-10 12:19:17 -0400 (Fri, 10 Jul 2009) | 6 lines
branches/zip: add copyright info to files related to PAUSE
instruction patch, contributed by Sun Microsystems.
------------------------------------------------------------------------
r5492 | calvin | 2009-07-10 17:47:34 -0400 (Fri, 10 Jul 2009) | 5 lines
branches/zip: add ChangeLog entries for r5484-r5486.
------------------------------------------------------------------------
r5494 | vasil | 2009-07-13 03:37:35 -0400 (Mon, 13 Jul 2009) | 6 lines
branches/zip:
Restore the original value of innodb_sync_spin_loops at the end, previously
the test assumed that setting it to 20 will do this, but now the default is
30 and MTR's internal check failed.
------------------------------------------------------------------------
r5495 | inaam | 2009-07-13 11:48:45 -0400 (Mon, 13 Jul 2009) | 5 lines
branches/zip rb://138 (REVERT)
Revert the flush neighbors patch as it shows regression in
the benchmarks run by Michael.
------------------------------------------------------------------------
r5496 | inaam | 2009-07-13 14:04:57 -0400 (Mon, 13 Jul 2009) | 4 lines
branches/zip
Fixed warnings on windows where ulint != ib_uint64_t
------------------------------------------------------------------------
r5497 | calvin | 2009-07-13 15:01:00 -0400 (Mon, 13 Jul 2009) | 9 lines
branches/zip: fix run-time symbols clash on Solaris.
This patch is from Sergey Vojtovich of Sun Microsystems,
to fix run-time symbols clash on Solaris with older C++
compiler:
- when finding out a way to hide symbols, make decision basing
on compiler, not operating system.
- Sun Studio supports __hidden declaration specifier for this
purpose.
------------------------------------------------------------------------
r5498 | vasil | 2009-07-14 03:16:18 -0400 (Tue, 14 Jul 2009) | 92 lines
branches/zip: Merge r5341:5497 from branches/5.1, skipping:
c5419 because it is merge from branches/zip into branches/5.1
c5466 because the source code has been adjusted to match the MySQL
behavior and the innodb-autoinc test does not fail in branches/zip,
if c5466 is merged, then innodb-autoinc starts failing, Sunny suggested
not to merge c5466.
and resolving conflicts in c5410, c5440, c5488:
------------------------------------------------------------------------
r5410 | marko | 2009-06-24 22:26:34 +0300 (Wed, 24 Jun 2009) | 2 lines
Changed paths:
M /branches/5.1/include/trx0sys.ic
M /branches/5.1/trx/trx0purge.c
M /branches/5.1/trx/trx0sys.c
M /branches/5.1/trx/trx0undo.c
branches/5.1: Add missing #include "mtr0log.h" to avoid warnings
when compiling with -DUNIV_MUST_NOT_INLINE.
------------------------------------------------------------------------
r5419 | marko | 2009-06-25 16:11:57 +0300 (Thu, 25 Jun 2009) | 18 lines
Changed paths:
M /branches/5.1/handler/ha_innodb.cc
M /branches/5.1/mysql-test/innodb_bug42101-nonzero.result
M /branches/5.1/mysql-test/innodb_bug42101-nonzero.test
M /branches/5.1/mysql-test/innodb_bug42101.result
M /branches/5.1/mysql-test/innodb_bug42101.test
branches/5.1: Merge r5418 from branches/zip:
------------------------------------------------------------------------
r5418 | marko | 2009-06-25 15:55:52 +0300 (Thu, 25 Jun 2009) | 5 lines
Changed paths:
M /branches/zip/ChangeLog
M /branches/zip/handler/ha_innodb.cc
M /branches/zip/mysql-test/innodb_bug42101-nonzero.result
M /branches/zip/mysql-test/innodb_bug42101-nonzero.test
M /branches/zip/mysql-test/innodb_bug42101.result
M /branches/zip/mysql-test/innodb_bug42101.test
branches/zip: Fix a race condition caused by
SET GLOBAL innodb_commit_concurrency=DEFAULT. (Bug #45749)
When innodb_commit_concurrency is initially set nonzero,
DEFAULT would change it back to 0, triggering Bug #42101.
rb://139 approved by Heikki Tuuri.
------------------------------------------------------------------------
------------------------------------------------------------------------
r5440 | vasil | 2009-06-30 13:04:29 +0300 (Tue, 30 Jun 2009) | 8 lines
Changed paths:
M /branches/5.1/fil/fil0fil.c
branches/5.1:
Fix Bug#45814 URL reference in InnoDB server errors needs adjusting to match documentation
by changing the URL from
http://dev.mysql.com/doc/refman/5.1/en/innodb-troubleshooting.html to
http://dev.mysql.com/doc/refman/5.1/en/innodb-troubleshooting-datadict.html
------------------------------------------------------------------------
r5466 | vasil | 2009-07-02 10:46:45 +0300 (Thu, 02 Jul 2009) | 6 lines
Changed paths:
M /branches/5.1/mysql-test/innodb-autoinc.result
M /branches/5.1/mysql-test/innodb-autoinc.test
branches/5.1:
Adjust the failing innodb-autoinc test to conform to the latest behavior
of the MySQL code. The idea and the comment in innodb-autoinc.test come
from Sunny.
------------------------------------------------------------------------
r5488 | vasil | 2009-07-09 19:16:44 +0300 (Thu, 09 Jul 2009) | 13 lines
Changed paths:
M /branches/5.1/handler/ha_innodb.cc
A /branches/5.1/mysql-test/innodb_bug21704.result
A /branches/5.1/mysql-test/innodb_bug21704.test
branches/5.1:
Fix Bug#21704 Renaming column does not update FK definition
by checking whether a column that participates in a FK definition is being
renamed and denying the ALTER in this case.
The patch was originally developed by Davi Arnaut <Davi.Arnaut@Sun.COM>:
http://lists.mysql.com/commits/77714
and was later adjusted to conform to InnoDB coding style by me (Vasil),
I also added some more comments and moved the bug specific mysql-test to
a separate file to make it more manageable and flexible.
------------------------------------------------------------------------
------------------------------------------------------------------------
r5499 | calvin | 2009-07-14 12:55:10 -0400 (Tue, 14 Jul 2009) | 3 lines
branches/zip: add a missing file in Makefile.am
This change was suggested by MySQL.
------------------------------------------------------------------------
r5500 | calvin | 2009-07-14 13:03:26 -0400 (Tue, 14 Jul 2009) | 3 lines
branches/zip: minor change
Remove an extra "with".
------------------------------------------------------------------------
r5501 | vasil | 2009-07-14 13:58:15 -0400 (Tue, 14 Jul 2009) | 5 lines
branches/zip:
Add @ZLIB_INCLUDES@ so that the InnoDB Plugin picks up the same zlib.h
header file that is eventually used by mysqld.
------------------------------------------------------------------------
r5502 | vasil | 2009-07-14 13:59:59 -0400 (Tue, 14 Jul 2009) | 4 lines
branches/zip:
Add include/ut0auxconf.h to noinst_HEADERS
------------------------------------------------------------------------
r5503 | vasil | 2009-07-14 14:16:11 -0400 (Tue, 14 Jul 2009) | 8 lines
branches/zip:
Non-functional change:
put files in noinst_HEADERS and libinnobase_a_SOURCES one per line and sort
alphabetically, so it is easier to find if a file is there or not and
also diffs show exactly the added or removed file instead of surrounding
lines too.
------------------------------------------------------------------------
r5504 | calvin | 2009-07-15 04:58:44 -0400 (Wed, 15 Jul 2009) | 6 lines
branches/zip: fix compile errors on Win64
Both srv_read_ahead_factor and srv_io_capacity should
be defined as ulong.
Approved by: Sunny
------------------------------------------------------------------------
r5508 | calvin | 2009-07-16 09:40:47 -0400 (Thu, 16 Jul 2009) | 16 lines
branches/zip: Support inlining of functions and prefetch with
Sun Studio
Those changes are contributed by Sun/MySQL. Two sets of changes
in this patch when Sun Studio is used:
- Explicit inlining of functions
- Prefetch Support
This patch has been tested by Sunny with the plugin statically
built in. Since we've never built the plugin as a dynamically
loaded module on Solaris, it is a separate task to change
plug.in.
rb://142
Approved by: Heikki
------------------------------------------------------------------------
r5509 | calvin | 2009-07-16 09:45:28 -0400 (Thu, 16 Jul 2009) | 2 lines
branches/zip: add ChangeLog entry for r5508.
------------------------------------------------------------------------
r5512 | sunny | 2009-07-19 19:52:48 -0400 (Sun, 19 Jul 2009) | 2 lines
branches/zip: Remove unused extern ref to timed_mutexes.
------------------------------------------------------------------------
r5513 | sunny | 2009-07-19 19:58:43 -0400 (Sun, 19 Jul 2009) | 2 lines
branches/zip: Undo r5512
------------------------------------------------------------------------
r5514 | sunny | 2009-07-19 20:08:49 -0400 (Sun, 19 Jul 2009) | 2 lines
branches/zip: Only use my_bool when UNIV_HOTBACKUP is not defined.
------------------------------------------------------------------------
r5515 | sunny | 2009-07-20 03:29:14 -0400 (Mon, 20 Jul 2009) | 2 lines
branches/zip: The dict_table_t::autoinc_mutex field is not used in HotBackup.
------------------------------------------------------------------------
r5516 | sunny | 2009-07-20 03:46:05 -0400 (Mon, 20 Jul 2009) | 4 lines
branches/zip: Make this file usable from within HotBackup. A new file has
been introduced called hb_univ.i. This file should have all the HotBackup
specific configuration.
------------------------------------------------------------------------
r5517 | sunny | 2009-07-20 03:55:11 -0400 (Mon, 20 Jul 2009) | 2 lines
Add /* UNIV_HOTBACK */
------------------------------------------------------------------------
r5519 | vasil | 2009-07-20 04:45:18 -0400 (Mon, 20 Jul 2009) | 31 lines
branches/zip: Merge r5497:5518 from branches/5.1:
------------------------------------------------------------------------
r5518 | vasil | 2009-07-20 11:29:47 +0300 (Mon, 20 Jul 2009) | 22 lines
Changed paths:
M /branches/5.1/handler/ha_innodb.cc
branches/5.1:
Merge a change from MySQL:
------------------------------------------------------------
revno: 2874.2.1
committer: Anurag Shekhar <anurag.shekhar@sun.com>
branch nick: mysql-5.1-bugteam-windows-warning
timestamp: Wed 2009-05-13 15:41:24 +0530
message:
Bug #39802 On Windows, 32-bit time_t should be enforced
This patch fixes compilation warning, "conversion from 'time_t' to 'ulong',
possible loss of data".
The fix is to typecast time_t to ulong before assigning it to ulong.
Backported this from 6.0-bugteam tree.
modified:
storage/archive/ha_archive.cc
storage/federated/ha_federated.cc
storage/innobase/handler/ha_innodb.cc
storage/myisam/ha_myisam.cc
------------------------------------------------------------------------
------------------------------------------------------------------------
r5520 | vasil | 2009-07-20 04:51:47 -0400 (Mon, 20 Jul 2009) | 4 lines
branches/zip:
Add ChangeLog entries for r5498 and r5519.
------------------------------------------------------------------------
r5524 | inaam | 2009-07-20 12:23:15 -0400 (Mon, 20 Jul 2009) | 9 lines
branches/zip
Change the read ahead parameter name to innodb_read_ahead_threshold.
Change the meaning of this parameter to signify the number of pages
that must be sequentially accessed for InnoDB to trigger a readahead
request.
Suggested by: Ken
------------------------------------------------------------------------
1163 lines
32 KiB
Text
1163 lines
32 KiB
Text
create table t1(a int not null, b int, c char(10) not null, d varchar(20)) engine = innodb;
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insert into t1 values (5,5,'oo','oo'),(4,4,'tr','tr'),(3,4,'ad','ad'),(2,3,'ak','ak');
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commit;
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alter table t1 add index b (b), add index b (b);
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ERROR 42000: Duplicate key name 'b'
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alter table t1 add index (b,b);
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ERROR 42S21: Duplicate column name 'b'
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alter table t1 add index d2 (d);
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) NOT NULL,
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`b` int(11) DEFAULT NULL,
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`c` char(10) NOT NULL,
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`d` varchar(20) DEFAULT NULL,
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KEY `d2` (`d`)
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) ENGINE=InnoDB DEFAULT CHARSET=latin1
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explain select * from t1 force index(d2) order by d;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 index NULL d2 23 NULL 4
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select * from t1 force index (d2) order by d;
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a b c d
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3 4 ad ad
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2 3 ak ak
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5 5 oo oo
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4 4 tr tr
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alter table t1 add unique index (b);
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ERROR 23000: Duplicate entry '4' for key 'b'
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) NOT NULL,
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`b` int(11) DEFAULT NULL,
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`c` char(10) NOT NULL,
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`d` varchar(20) DEFAULT NULL,
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KEY `d2` (`d`)
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) ENGINE=InnoDB DEFAULT CHARSET=latin1
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alter table t1 add index (b);
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) NOT NULL,
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`b` int(11) DEFAULT NULL,
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`c` char(10) NOT NULL,
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`d` varchar(20) DEFAULT NULL,
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KEY `d2` (`d`),
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KEY `b` (`b`)
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) ENGINE=InnoDB DEFAULT CHARSET=latin1
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alter table t1 add unique index (c), add index (d);
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) NOT NULL,
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`b` int(11) DEFAULT NULL,
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`c` char(10) NOT NULL,
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`d` varchar(20) DEFAULT NULL,
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UNIQUE KEY `c` (`c`),
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|
KEY `d2` (`d`),
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|
KEY `b` (`b`),
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KEY `d` (`d`)
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) ENGINE=InnoDB DEFAULT CHARSET=latin1
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explain select * from t1 force index(c) order by c;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 index NULL c 10 NULL 4
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alter table t1 add primary key (a), drop index c;
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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|
`a` int(11) NOT NULL,
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`b` int(11) DEFAULT NULL,
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`c` char(10) NOT NULL,
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`d` varchar(20) DEFAULT NULL,
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PRIMARY KEY (`a`),
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KEY `d2` (`d`),
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KEY `b` (`b`),
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KEY `d` (`d`)
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) ENGINE=InnoDB DEFAULT CHARSET=latin1
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alter table t1 add primary key (c);
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ERROR 42000: Multiple primary key defined
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alter table t1 drop primary key, add primary key (b);
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ERROR 23000: Duplicate entry '4' for key 'PRIMARY'
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create unique index c on t1 (c);
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) NOT NULL,
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`b` int(11) DEFAULT NULL,
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|
`c` char(10) NOT NULL,
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|
`d` varchar(20) DEFAULT NULL,
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PRIMARY KEY (`a`),
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UNIQUE KEY `c` (`c`),
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|
KEY `d2` (`d`),
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|
KEY `b` (`b`),
|
|
KEY `d` (`d`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1
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explain select * from t1 force index(c) order by c;
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id select_type table type possible_keys key key_len ref rows Extra
|
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1 SIMPLE t1 index NULL c 10 NULL 4
|
|
select * from t1 force index(c) order by c;
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|
a b c d
|
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3 4 ad ad
|
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2 3 ak ak
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5 5 oo oo
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4 4 tr tr
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alter table t1 drop index b, add index (b);
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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|
`a` int(11) NOT NULL,
|
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`b` int(11) DEFAULT NULL,
|
|
`c` char(10) NOT NULL,
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|
`d` varchar(20) DEFAULT NULL,
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|
PRIMARY KEY (`a`),
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|
UNIQUE KEY `c` (`c`),
|
|
KEY `d2` (`d`),
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KEY `d` (`d`),
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KEY `b` (`b`)
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) ENGINE=InnoDB DEFAULT CHARSET=latin1
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insert into t1 values(6,1,'ggg','ggg');
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select * from t1;
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a b c d
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2 3 ak ak
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3 4 ad ad
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4 4 tr tr
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5 5 oo oo
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6 1 ggg ggg
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select * from t1 force index(b) order by b;
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a b c d
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6 1 ggg ggg
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2 3 ak ak
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3 4 ad ad
|
|
4 4 tr tr
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5 5 oo oo
|
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select * from t1 force index(c) order by c;
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a b c d
|
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3 4 ad ad
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2 3 ak ak
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6 1 ggg ggg
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5 5 oo oo
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4 4 tr tr
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select * from t1 force index(d) order by d;
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a b c d
|
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3 4 ad ad
|
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2 3 ak ak
|
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6 1 ggg ggg
|
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5 5 oo oo
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4 4 tr tr
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explain select * from t1 force index(b) order by b;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 index NULL b 5 NULL 5
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explain select * from t1 force index(c) order by c;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 index NULL c 10 NULL 5
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explain select * from t1 force index(d) order by d;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 index NULL d 23 NULL 5
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) NOT NULL,
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`b` int(11) DEFAULT NULL,
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|
`c` char(10) NOT NULL,
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`d` varchar(20) DEFAULT NULL,
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PRIMARY KEY (`a`),
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UNIQUE KEY `c` (`c`),
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KEY `d2` (`d`),
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KEY `d` (`d`),
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KEY `b` (`b`)
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) ENGINE=InnoDB DEFAULT CHARSET=latin1
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drop table t1;
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create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb;
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insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,3,'ad','ad'),(4,4,'afe','afe');
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commit;
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alter table t1 add index (c(2));
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) NOT NULL,
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`b` int(11) DEFAULT NULL,
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`c` char(10) DEFAULT NULL,
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`d` varchar(20) DEFAULT NULL,
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PRIMARY KEY (`a`),
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KEY `c` (`c`(2))
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) ENGINE=InnoDB DEFAULT CHARSET=latin1
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alter table t1 add unique index (d(10));
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) NOT NULL,
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`b` int(11) DEFAULT NULL,
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`c` char(10) DEFAULT NULL,
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`d` varchar(20) DEFAULT NULL,
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PRIMARY KEY (`a`),
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UNIQUE KEY `d` (`d`(10)),
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KEY `c` (`c`(2))
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) ENGINE=InnoDB DEFAULT CHARSET=latin1
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insert into t1 values(5,1,'ggg','ggg');
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select * from t1;
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a b c d
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|
1 1 ab ab
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2 2 ac ac
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3 3 ad ad
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4 4 afe afe
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5 1 ggg ggg
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select * from t1 force index(c) order by c;
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|
a b c d
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1 1 ab ab
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2 2 ac ac
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3 3 ad ad
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4 4 afe afe
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5 1 ggg ggg
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select * from t1 force index(d) order by d;
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a b c d
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1 1 ab ab
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2 2 ac ac
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3 3 ad ad
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4 4 afe afe
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5 1 ggg ggg
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explain select * from t1 order by b;
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id select_type table type possible_keys key key_len ref rows Extra
|
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1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using filesort
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explain select * from t1 force index(c) order by c;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using filesort
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explain select * from t1 force index(d) order by d;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using filesort
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) NOT NULL,
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`b` int(11) DEFAULT NULL,
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`c` char(10) DEFAULT NULL,
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`d` varchar(20) DEFAULT NULL,
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PRIMARY KEY (`a`),
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UNIQUE KEY `d` (`d`(10)),
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KEY `c` (`c`(2))
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) ENGINE=InnoDB DEFAULT CHARSET=latin1
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alter table t1 drop index d;
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insert into t1 values(8,9,'fff','fff');
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select * from t1;
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a b c d
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1 1 ab ab
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2 2 ac ac
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3 3 ad ad
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4 4 afe afe
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5 1 ggg ggg
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8 9 fff fff
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select * from t1 force index(c) order by c;
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a b c d
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1 1 ab ab
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|
2 2 ac ac
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3 3 ad ad
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4 4 afe afe
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8 9 fff fff
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5 1 ggg ggg
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explain select * from t1 order by b;
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|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 ALL NULL NULL NULL NULL 6 Using filesort
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explain select * from t1 force index(c) order by c;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ALL NULL NULL NULL NULL 6 Using filesort
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explain select * from t1 order by d;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ALL NULL NULL NULL NULL 6 Using filesort
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) NOT NULL,
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`b` int(11) DEFAULT NULL,
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`c` char(10) DEFAULT NULL,
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`d` varchar(20) DEFAULT NULL,
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PRIMARY KEY (`a`),
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KEY `c` (`c`(2))
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) ENGINE=InnoDB DEFAULT CHARSET=latin1
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drop table t1;
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create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb;
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insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,2,'ad','ad'),(4,4,'afe','afe');
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commit;
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alter table t1 add unique index (b,c);
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insert into t1 values(8,9,'fff','fff');
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select * from t1;
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a b c d
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1 1 ab ab
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2 2 ac ac
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3 2 ad ad
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4 4 afe afe
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8 9 fff fff
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select * from t1 force index(b) order by b;
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a b c d
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1 1 ab ab
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2 2 ac ac
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3 2 ad ad
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4 4 afe afe
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8 9 fff fff
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explain select * from t1 force index(b) order by b;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 index NULL b 16 NULL 5
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) NOT NULL,
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`b` int(11) DEFAULT NULL,
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`c` char(10) DEFAULT NULL,
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`d` varchar(20) DEFAULT NULL,
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|
PRIMARY KEY (`a`),
|
|
UNIQUE KEY `b` (`b`,`c`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
|
alter table t1 add index (b,c);
|
|
insert into t1 values(11,11,'kkk','kkk');
|
|
select * from t1;
|
|
a b c d
|
|
1 1 ab ab
|
|
2 2 ac ac
|
|
3 2 ad ad
|
|
4 4 afe afe
|
|
8 9 fff fff
|
|
11 11 kkk kkk
|
|
select * from t1 force index(b) order by b;
|
|
a b c d
|
|
1 1 ab ab
|
|
2 2 ac ac
|
|
3 2 ad ad
|
|
4 4 afe afe
|
|
8 9 fff fff
|
|
11 11 kkk kkk
|
|
explain select * from t1 force index(b) order by b;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 index NULL b 16 NULL 6
|
|
show create table t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`a` int(11) NOT NULL,
|
|
`b` int(11) DEFAULT NULL,
|
|
`c` char(10) DEFAULT NULL,
|
|
`d` varchar(20) DEFAULT NULL,
|
|
PRIMARY KEY (`a`),
|
|
UNIQUE KEY `b` (`b`,`c`),
|
|
KEY `b_2` (`b`,`c`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
|
alter table t1 add unique index (c,d);
|
|
insert into t1 values(13,13,'yyy','aaa');
|
|
select * from t1;
|
|
a b c d
|
|
1 1 ab ab
|
|
2 2 ac ac
|
|
3 2 ad ad
|
|
4 4 afe afe
|
|
8 9 fff fff
|
|
11 11 kkk kkk
|
|
13 13 yyy aaa
|
|
select * from t1 force index(b) order by b;
|
|
a b c d
|
|
1 1 ab ab
|
|
2 2 ac ac
|
|
3 2 ad ad
|
|
4 4 afe afe
|
|
8 9 fff fff
|
|
11 11 kkk kkk
|
|
13 13 yyy aaa
|
|
select * from t1 force index(c) order by c;
|
|
a b c d
|
|
1 1 ab ab
|
|
2 2 ac ac
|
|
3 2 ad ad
|
|
4 4 afe afe
|
|
8 9 fff fff
|
|
11 11 kkk kkk
|
|
13 13 yyy aaa
|
|
explain select * from t1 force index(b) order by b;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 index NULL b 16 NULL 7
|
|
explain select * from t1 force index(c) order by c;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 index NULL c 34 NULL 7
|
|
show create table t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`a` int(11) NOT NULL,
|
|
`b` int(11) DEFAULT NULL,
|
|
`c` char(10) DEFAULT NULL,
|
|
`d` varchar(20) DEFAULT NULL,
|
|
PRIMARY KEY (`a`),
|
|
UNIQUE KEY `b` (`b`,`c`),
|
|
UNIQUE KEY `c` (`c`,`d`),
|
|
KEY `b_2` (`b`,`c`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
|
drop table t1;
|
|
create table t1(a int not null, b int not null, c int, primary key (a), key (b)) engine = innodb;
|
|
create table t3(a int not null, c int not null, d int, primary key (a), key (c)) engine = innodb;
|
|
create table t4(a int not null, d int not null, e int, primary key (a), key (d)) engine = innodb;
|
|
create table t2(a int not null, b int not null, c int not null, d int not null, e int,
|
|
foreign key (b) references t1(b) on delete cascade,
|
|
foreign key (c) references t3(c), foreign key (d) references t4(d))
|
|
engine = innodb;
|
|
alter table t1 drop index b;
|
|
ERROR HY000: Cannot drop index 'b': needed in a foreign key constraint
|
|
alter table t3 drop index c;
|
|
ERROR HY000: Cannot drop index 'c': needed in a foreign key constraint
|
|
alter table t4 drop index d;
|
|
ERROR HY000: Cannot drop index 'd': needed in a foreign key constraint
|
|
alter table t2 drop index b;
|
|
ERROR HY000: Cannot drop index 'b': needed in a foreign key constraint
|
|
alter table t2 drop index b, drop index c, drop index d;
|
|
ERROR HY000: Cannot drop index 'b': needed in a foreign key constraint
|
|
create unique index dc on t2 (d,c);
|
|
create index dc on t1 (b,c);
|
|
alter table t2 add primary key (a);
|
|
insert into t1 values (1,1,1);
|
|
insert into t3 values (1,1,1);
|
|
insert into t4 values (1,1,1);
|
|
insert into t2 values (1,1,1,1,1);
|
|
commit;
|
|
alter table t4 add constraint dc foreign key (a) references t1(a);
|
|
show create table t4;
|
|
Table Create Table
|
|
t4 CREATE TABLE `t4` (
|
|
`a` int(11) NOT NULL,
|
|
`d` int(11) NOT NULL,
|
|
`e` int(11) DEFAULT NULL,
|
|
PRIMARY KEY (`a`),
|
|
KEY `d` (`d`),
|
|
CONSTRAINT `dc` FOREIGN KEY (`a`) REFERENCES `t1` (`a`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
|
alter table t3 add constraint dc foreign key (a) references t1(a);
|
|
ERROR HY000: Can't create table '#sql-temporary' (errno: 121)
|
|
show create table t3;
|
|
Table Create Table
|
|
t3 CREATE TABLE `t3` (
|
|
`a` int(11) NOT NULL,
|
|
`c` int(11) NOT NULL,
|
|
`d` int(11) DEFAULT NULL,
|
|
PRIMARY KEY (`a`),
|
|
KEY `c` (`c`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
|
alter table t2 drop index b, add index (b);
|
|
show create table t2;
|
|
Table Create Table
|
|
t2 CREATE TABLE `t2` (
|
|
`a` int(11) NOT NULL,
|
|
`b` int(11) NOT NULL,
|
|
`c` int(11) NOT NULL,
|
|
`d` int(11) NOT NULL,
|
|
`e` int(11) DEFAULT NULL,
|
|
PRIMARY KEY (`a`),
|
|
UNIQUE KEY `dc` (`d`,`c`),
|
|
KEY `c` (`c`),
|
|
KEY `b` (`b`),
|
|
CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`b`) REFERENCES `t1` (`b`) ON DELETE CASCADE,
|
|
CONSTRAINT `t2_ibfk_2` FOREIGN KEY (`c`) REFERENCES `t3` (`c`),
|
|
CONSTRAINT `t2_ibfk_3` FOREIGN KEY (`d`) REFERENCES `t4` (`d`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
|
delete from t1;
|
|
ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t4`, CONSTRAINT `dc` FOREIGN KEY (`a`) REFERENCES `t1` (`a`))
|
|
drop index dc on t4;
|
|
ERROR 42000: Can't DROP 'dc'; check that column/key exists
|
|
alter table t3 drop foreign key dc;
|
|
ERROR HY000: Error on rename of './test/t3' to '#sql2-temporary' (errno: 152)
|
|
alter table t4 drop foreign key dc;
|
|
select * from t2;
|
|
a b c d e
|
|
1 1 1 1 1
|
|
delete from t1;
|
|
select * from t2;
|
|
a b c d e
|
|
drop table t2,t4,t3,t1;
|
|
create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb default charset=utf8;
|
|
insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,2,'ad','ad'),(4,4,'afe','afe');
|
|
commit;
|
|
alter table t1 add unique index (b);
|
|
ERROR 23000: Duplicate entry '2' for key 'b'
|
|
insert into t1 values(8,9,'fff','fff');
|
|
select * from t1;
|
|
a b c d
|
|
1 1 ab ab
|
|
2 2 ac ac
|
|
3 2 ad ad
|
|
4 4 afe afe
|
|
8 9 fff fff
|
|
show create table t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`a` int(11) NOT NULL,
|
|
`b` int(11) DEFAULT NULL,
|
|
`c` char(10) DEFAULT NULL,
|
|
`d` varchar(20) DEFAULT NULL,
|
|
PRIMARY KEY (`a`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=utf8
|
|
alter table t1 add index (b);
|
|
insert into t1 values(10,10,'kkk','iii');
|
|
select * from t1;
|
|
a b c d
|
|
1 1 ab ab
|
|
2 2 ac ac
|
|
3 2 ad ad
|
|
4 4 afe afe
|
|
8 9 fff fff
|
|
10 10 kkk iii
|
|
select * from t1 force index(b) order by b;
|
|
a b c d
|
|
1 1 ab ab
|
|
2 2 ac ac
|
|
3 2 ad ad
|
|
4 4 afe afe
|
|
8 9 fff fff
|
|
10 10 kkk iii
|
|
explain select * from t1 force index(b) order by b;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 index NULL b 5 NULL 6
|
|
show create table t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`a` int(11) NOT NULL,
|
|
`b` int(11) DEFAULT NULL,
|
|
`c` char(10) DEFAULT NULL,
|
|
`d` varchar(20) DEFAULT NULL,
|
|
PRIMARY KEY (`a`),
|
|
KEY `b` (`b`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=utf8
|
|
alter table t1 add unique index (c), add index (d);
|
|
insert into t1 values(11,11,'aaa','mmm');
|
|
select * from t1;
|
|
a b c d
|
|
1 1 ab ab
|
|
2 2 ac ac
|
|
3 2 ad ad
|
|
4 4 afe afe
|
|
8 9 fff fff
|
|
10 10 kkk iii
|
|
11 11 aaa mmm
|
|
select * from t1 force index(b) order by b;
|
|
a b c d
|
|
1 1 ab ab
|
|
2 2 ac ac
|
|
3 2 ad ad
|
|
4 4 afe afe
|
|
8 9 fff fff
|
|
10 10 kkk iii
|
|
11 11 aaa mmm
|
|
select * from t1 force index(c) order by c;
|
|
a b c d
|
|
11 11 aaa mmm
|
|
1 1 ab ab
|
|
2 2 ac ac
|
|
3 2 ad ad
|
|
4 4 afe afe
|
|
8 9 fff fff
|
|
10 10 kkk iii
|
|
select * from t1 force index(d) order by d;
|
|
a b c d
|
|
1 1 ab ab
|
|
2 2 ac ac
|
|
3 2 ad ad
|
|
4 4 afe afe
|
|
8 9 fff fff
|
|
10 10 kkk iii
|
|
11 11 aaa mmm
|
|
explain select * from t1 force index(b) order by b;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 index NULL b 5 NULL 7
|
|
explain select * from t1 force index(c) order by c;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 index NULL c 31 NULL 7
|
|
explain select * from t1 force index(d) order by d;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 index NULL d 63 NULL 7
|
|
show create table t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`a` int(11) NOT NULL,
|
|
`b` int(11) DEFAULT NULL,
|
|
`c` char(10) DEFAULT NULL,
|
|
`d` varchar(20) DEFAULT NULL,
|
|
PRIMARY KEY (`a`),
|
|
UNIQUE KEY `c` (`c`),
|
|
KEY `b` (`b`),
|
|
KEY `d` (`d`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=utf8
|
|
check table t1;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 check status OK
|
|
drop table t1;
|
|
create table t1(a int not null, b int) engine = innodb;
|
|
insert into t1 values (1,1),(1,1),(1,1),(1,1);
|
|
alter table t1 add unique index (a);
|
|
ERROR 23000: Duplicate entry '1' for key 'a'
|
|
alter table t1 add unique index (b);
|
|
ERROR 23000: Duplicate entry '1' for key 'b'
|
|
alter table t1 add unique index (a), add unique index(b);
|
|
ERROR 23000: Duplicate entry '1' for key 'a'
|
|
show create table t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`a` int(11) NOT NULL,
|
|
`b` int(11) DEFAULT NULL
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
|
drop table t1;
|
|
create table t1(a int not null, c int not null,b int, primary key(a), unique key(c), key(b)) engine = innodb;
|
|
alter table t1 drop index c, drop index b;
|
|
show create table t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`a` int(11) NOT NULL,
|
|
`c` int(11) NOT NULL,
|
|
`b` int(11) DEFAULT NULL,
|
|
PRIMARY KEY (`a`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
|
drop table t1;
|
|
create table t1(a int not null, b int, primary key(a)) engine = innodb;
|
|
alter table t1 add index (b);
|
|
show create table t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`a` int(11) NOT NULL,
|
|
`b` int(11) DEFAULT NULL,
|
|
PRIMARY KEY (`a`),
|
|
KEY `b` (`b`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
|
drop table t1;
|
|
create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb;
|
|
insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,3,'ac','ac'),(4,4,'afe','afe'),(5,4,'affe','affe');
|
|
alter table t1 add unique index (b), add unique index (c), add unique index (d);
|
|
ERROR 23000: Duplicate entry '4' for key 'b'
|
|
alter table t1 add unique index (c), add unique index (b), add index (d);
|
|
ERROR 23000: Duplicate entry 'ac' for key 'c'
|
|
show create table t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`a` int(11) NOT NULL,
|
|
`b` int(11) DEFAULT NULL,
|
|
`c` char(10) DEFAULT NULL,
|
|
`d` varchar(20) DEFAULT NULL,
|
|
PRIMARY KEY (`a`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
|
drop table t1;
|
|
create table t1(a int not null, b int not null, c int, primary key (a), key(c)) engine=innodb;
|
|
insert into t1 values (5,1,5),(4,2,4),(3,3,3),(2,4,2),(1,5,1);
|
|
alter table t1 add unique index (b);
|
|
insert into t1 values (10,20,20),(11,19,19),(12,18,18),(13,17,17);
|
|
show create table t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`a` int(11) NOT NULL,
|
|
`b` int(11) NOT NULL,
|
|
`c` int(11) DEFAULT NULL,
|
|
PRIMARY KEY (`a`),
|
|
UNIQUE KEY `b` (`b`),
|
|
KEY `c` (`c`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
|
check table t1;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 check status OK
|
|
explain select * from t1 force index(c) order by c;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 index NULL c 5 NULL 9
|
|
explain select * from t1 order by a;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 index NULL PRIMARY 4 NULL 9
|
|
explain select * from t1 force index(b) order by b;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 index NULL b 4 NULL 9
|
|
select * from t1 order by a;
|
|
a b c
|
|
1 5 1
|
|
2 4 2
|
|
3 3 3
|
|
4 2 4
|
|
5 1 5
|
|
10 20 20
|
|
11 19 19
|
|
12 18 18
|
|
13 17 17
|
|
select * from t1 force index(b) order by b;
|
|
a b c
|
|
5 1 5
|
|
4 2 4
|
|
3 3 3
|
|
2 4 2
|
|
1 5 1
|
|
13 17 17
|
|
12 18 18
|
|
11 19 19
|
|
10 20 20
|
|
select * from t1 force index(c) order by c;
|
|
a b c
|
|
1 5 1
|
|
2 4 2
|
|
3 3 3
|
|
4 2 4
|
|
5 1 5
|
|
13 17 17
|
|
12 18 18
|
|
11 19 19
|
|
10 20 20
|
|
drop table t1;
|
|
create table t1(a int not null, b int not null) engine=innodb;
|
|
insert into t1 values (1,1);
|
|
alter table t1 add primary key(b);
|
|
insert into t1 values (2,2);
|
|
show create table t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`a` int(11) NOT NULL,
|
|
`b` int(11) NOT NULL,
|
|
PRIMARY KEY (`b`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
|
check table t1;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 check status OK
|
|
select * from t1;
|
|
a b
|
|
1 1
|
|
2 2
|
|
explain select * from t1;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 ALL NULL NULL NULL NULL 2
|
|
explain select * from t1 order by a;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using filesort
|
|
explain select * from t1 order by b;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 index NULL PRIMARY 4 NULL 2
|
|
checksum table t1;
|
|
Table Checksum
|
|
test.t1 582702641
|
|
drop table t1;
|
|
create table t1(a int not null) engine=innodb;
|
|
insert into t1 values (1);
|
|
alter table t1 add primary key(a);
|
|
insert into t1 values (2);
|
|
show create table t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`a` int(11) NOT NULL,
|
|
PRIMARY KEY (`a`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
|
check table t1;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 check status OK
|
|
commit;
|
|
select * from t1;
|
|
a
|
|
1
|
|
2
|
|
explain select * from t1;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 index NULL PRIMARY 4 NULL 2 Using index
|
|
explain select * from t1 order by a;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 index NULL PRIMARY 4 NULL 2 Using index
|
|
drop table t1;
|
|
create table t2(d varchar(17) primary key) engine=innodb default charset=utf8;
|
|
create table t3(a int primary key) engine=innodb;
|
|
insert into t3 values(22),(44),(33),(55),(66);
|
|
insert into t2 values ('jejdkrun87'),('adfd72nh9k'),
|
|
('adfdpplkeock'),('adfdijnmnb78k'),('adfdijn0loKNHJik');
|
|
create table t1(a int, b blob, c text, d text not null)
|
|
engine=innodb default charset = utf8;
|
|
insert into t1
|
|
select a,left(repeat(d,100*a),65535),repeat(d,20*a),d from t2,t3;
|
|
drop table t2, t3;
|
|
select count(*) from t1 where a=44;
|
|
count(*)
|
|
5
|
|
select a,
|
|
length(b),b=left(repeat(d,100*a),65535),length(c),c=repeat(d,20*a),d from t1;
|
|
a length(b) b=left(repeat(d,100*a),65535) length(c) c=repeat(d,20*a) d
|
|
22 22000 1 4400 1 adfd72nh9k
|
|
22 35200 1 7040 1 adfdijn0loKNHJik
|
|
22 28600 1 5720 1 adfdijnmnb78k
|
|
22 26400 1 5280 1 adfdpplkeock
|
|
22 22000 1 4400 1 jejdkrun87
|
|
33 33000 1 6600 1 adfd72nh9k
|
|
33 52800 1 10560 1 adfdijn0loKNHJik
|
|
33 42900 1 8580 1 adfdijnmnb78k
|
|
33 39600 1 7920 1 adfdpplkeock
|
|
33 33000 1 6600 1 jejdkrun87
|
|
44 44000 1 8800 1 adfd72nh9k
|
|
44 65535 1 14080 1 adfdijn0loKNHJik
|
|
44 57200 1 11440 1 adfdijnmnb78k
|
|
44 52800 1 10560 1 adfdpplkeock
|
|
44 44000 1 8800 1 jejdkrun87
|
|
55 55000 1 11000 1 adfd72nh9k
|
|
55 65535 1 17600 1 adfdijn0loKNHJik
|
|
55 65535 1 14300 1 adfdijnmnb78k
|
|
55 65535 1 13200 1 adfdpplkeock
|
|
55 55000 1 11000 1 jejdkrun87
|
|
66 65535 1 13200 1 adfd72nh9k
|
|
66 65535 1 21120 1 adfdijn0loKNHJik
|
|
66 65535 1 17160 1 adfdijnmnb78k
|
|
66 65535 1 15840 1 adfdpplkeock
|
|
66 65535 1 13200 1 jejdkrun87
|
|
alter table t1 add primary key (a), add key (b(20));
|
|
ERROR 23000: Duplicate entry '22' for key 'PRIMARY'
|
|
delete from t1 where a%2;
|
|
check table t1;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 check status OK
|
|
alter table t1 add primary key (a,b(255),c(255)), add key (b(767));
|
|
select count(*) from t1 where a=44;
|
|
count(*)
|
|
5
|
|
select a,
|
|
length(b),b=left(repeat(d,100*a),65535),length(c),c=repeat(d,20*a),d from t1;
|
|
a length(b) b=left(repeat(d,100*a),65535) length(c) c=repeat(d,20*a) d
|
|
22 22000 1 4400 1 adfd72nh9k
|
|
22 35200 1 7040 1 adfdijn0loKNHJik
|
|
22 28600 1 5720 1 adfdijnmnb78k
|
|
22 26400 1 5280 1 adfdpplkeock
|
|
22 22000 1 4400 1 jejdkrun87
|
|
44 44000 1 8800 1 adfd72nh9k
|
|
44 65535 1 14080 1 adfdijn0loKNHJik
|
|
44 57200 1 11440 1 adfdijnmnb78k
|
|
44 52800 1 10560 1 adfdpplkeock
|
|
44 44000 1 8800 1 jejdkrun87
|
|
66 65535 1 13200 1 adfd72nh9k
|
|
66 65535 1 21120 1 adfdijn0loKNHJik
|
|
66 65535 1 17160 1 adfdijnmnb78k
|
|
66 65535 1 15840 1 adfdpplkeock
|
|
66 65535 1 13200 1 jejdkrun87
|
|
show create table t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`a` int(11) NOT NULL DEFAULT '0',
|
|
`b` blob NOT NULL,
|
|
`c` text NOT NULL,
|
|
`d` text NOT NULL,
|
|
PRIMARY KEY (`a`,`b`(255),`c`(255)),
|
|
KEY `b` (`b`(767))
|
|
) ENGINE=InnoDB DEFAULT CHARSET=utf8
|
|
check table t1;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 check status OK
|
|
explain select * from t1 where b like 'adfd%';
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 ALL b NULL NULL NULL 15 Using where
|
|
create table t2(a int, b varchar(255), primary key(a,b)) engine=innodb;
|
|
insert into t2 select a,left(b,255) from t1;
|
|
drop table t1;
|
|
rename table t2 to t1;
|
|
set innodb_lock_wait_timeout=1;
|
|
begin;
|
|
select a from t1 limit 1 for update;
|
|
a
|
|
22
|
|
set innodb_lock_wait_timeout=1;
|
|
create index t1ba on t1 (b,a);
|
|
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
|
|
commit;
|
|
begin;
|
|
select a from t1 limit 1 lock in share mode;
|
|
a
|
|
22
|
|
create index t1ba on t1 (b,a);
|
|
drop index t1ba on t1;
|
|
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
|
|
commit;
|
|
explain select a from t1 order by b;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 index NULL t1ba 261 NULL 15 Using index
|
|
select a,sleep(2+a/100) from t1 order by b limit 3;
|
|
select sleep(1);
|
|
sleep(1)
|
|
0
|
|
drop index t1ba on t1;
|
|
a sleep(2+a/100)
|
|
22 0
|
|
44 0
|
|
66 0
|
|
explain select a from t1 order by b;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 index NULL PRIMARY 261 NULL 15 Using index; Using filesort
|
|
select a from t1 order by b limit 3;
|
|
a
|
|
22
|
|
66
|
|
44
|
|
commit;
|
|
drop table t1;
|
|
set global innodb_file_per_table=on;
|
|
set global innodb_file_format='Barracuda';
|
|
create table t1(a blob,b blob,c blob,d blob,e blob,f blob,g blob,h blob,
|
|
i blob,j blob,k blob,l blob,m blob,n blob,o blob,p blob,
|
|
q blob,r blob,s blob,t blob,u blob)
|
|
engine=innodb row_format=dynamic;
|
|
create index t1a on t1 (a(1));
|
|
create index t1b on t1 (b(1));
|
|
create index t1c on t1 (c(1));
|
|
create index t1d on t1 (d(1));
|
|
create index t1e on t1 (e(1));
|
|
create index t1f on t1 (f(1));
|
|
create index t1g on t1 (g(1));
|
|
create index t1h on t1 (h(1));
|
|
create index t1i on t1 (i(1));
|
|
create index t1j on t1 (j(1));
|
|
create index t1k on t1 (k(1));
|
|
create index t1l on t1 (l(1));
|
|
create index t1m on t1 (m(1));
|
|
create index t1n on t1 (n(1));
|
|
create index t1o on t1 (o(1));
|
|
create index t1p on t1 (p(1));
|
|
create index t1q on t1 (q(1));
|
|
create index t1r on t1 (r(1));
|
|
create index t1s on t1 (s(1));
|
|
create index t1t on t1 (t(1));
|
|
create index t1u on t1 (u(1));
|
|
ERROR HY000: Too big row
|
|
create index t1ut on t1 (u(1), t(1));
|
|
ERROR HY000: Too big row
|
|
create index t1st on t1 (s(1), t(1));
|
|
show create table t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`a` blob,
|
|
`b` blob,
|
|
`c` blob,
|
|
`d` blob,
|
|
`e` blob,
|
|
`f` blob,
|
|
`g` blob,
|
|
`h` blob,
|
|
`i` blob,
|
|
`j` blob,
|
|
`k` blob,
|
|
`l` blob,
|
|
`m` blob,
|
|
`n` blob,
|
|
`o` blob,
|
|
`p` blob,
|
|
`q` blob,
|
|
`r` blob,
|
|
`s` blob,
|
|
`t` blob,
|
|
`u` blob,
|
|
KEY `t1a` (`a`(1)),
|
|
KEY `t1b` (`b`(1)),
|
|
KEY `t1c` (`c`(1)),
|
|
KEY `t1d` (`d`(1)),
|
|
KEY `t1e` (`e`(1)),
|
|
KEY `t1f` (`f`(1)),
|
|
KEY `t1g` (`g`(1)),
|
|
KEY `t1h` (`h`(1)),
|
|
KEY `t1i` (`i`(1)),
|
|
KEY `t1j` (`j`(1)),
|
|
KEY `t1k` (`k`(1)),
|
|
KEY `t1l` (`l`(1)),
|
|
KEY `t1m` (`m`(1)),
|
|
KEY `t1n` (`n`(1)),
|
|
KEY `t1o` (`o`(1)),
|
|
KEY `t1p` (`p`(1)),
|
|
KEY `t1q` (`q`(1)),
|
|
KEY `t1r` (`r`(1)),
|
|
KEY `t1s` (`s`(1)),
|
|
KEY `t1t` (`t`(1)),
|
|
KEY `t1st` (`s`(1),`t`(1))
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=DYNAMIC
|
|
create index t1u on t1 (u(1));
|
|
ERROR HY000: Too big row
|
|
alter table t1 row_format=compact;
|
|
create index t1u on t1 (u(1));
|
|
drop table t1;
|
|
set global innodb_file_per_table=0;
|
|
set global innodb_file_format=Antelope;
|
|
SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0;
|
|
SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0;
|
|
CREATE TABLE t1(
|
|
c1 BIGINT(12) NOT NULL,
|
|
PRIMARY KEY (c1)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
|
|
CREATE TABLE t2(
|
|
c1 BIGINT(16) NOT NULL,
|
|
c2 BIGINT(12) NOT NULL,
|
|
c3 BIGINT(12) NOT NULL,
|
|
PRIMARY KEY (c1)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
|
|
ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca
|
|
FOREIGN KEY (c3) REFERENCES t1(c1);
|
|
SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS;
|
|
SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS;
|
|
SHOW CREATE TABLE t2;
|
|
Table Create Table
|
|
t2 CREATE TABLE `t2` (
|
|
`c1` bigint(16) NOT NULL,
|
|
`c2` bigint(12) NOT NULL,
|
|
`c3` bigint(12) NOT NULL,
|
|
PRIMARY KEY (`c1`),
|
|
KEY `fk_t2_ca` (`c3`),
|
|
CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
|
CREATE INDEX i_t2_c3_c2 ON t2(c3, c2);
|
|
SHOW CREATE TABLE t2;
|
|
Table Create Table
|
|
t2 CREATE TABLE `t2` (
|
|
`c1` bigint(16) NOT NULL,
|
|
`c2` bigint(12) NOT NULL,
|
|
`c3` bigint(12) NOT NULL,
|
|
PRIMARY KEY (`c1`),
|
|
KEY `i_t2_c3_c2` (`c3`,`c2`),
|
|
CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
|
SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS;
|
|
SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS;
|
|
INSERT INTO t2 VALUES(0,0,0);
|
|
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`))
|
|
INSERT INTO t1 VALUES(0);
|
|
INSERT INTO t2 VALUES(0,0,0);
|
|
DROP TABLE t2;
|
|
CREATE TABLE t2(
|
|
c1 BIGINT(16) NOT NULL,
|
|
c2 BIGINT(12) NOT NULL,
|
|
c3 BIGINT(12) NOT NULL,
|
|
PRIMARY KEY (c1,c2,c3)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
|
|
ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca
|
|
FOREIGN KEY (c3) REFERENCES t1(c1);
|
|
SHOW CREATE TABLE t2;
|
|
Table Create Table
|
|
t2 CREATE TABLE `t2` (
|
|
`c1` bigint(16) NOT NULL,
|
|
`c2` bigint(12) NOT NULL,
|
|
`c3` bigint(12) NOT NULL,
|
|
PRIMARY KEY (`c1`,`c2`,`c3`),
|
|
KEY `fk_t2_ca` (`c3`),
|
|
CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
|
CREATE INDEX i_t2_c3_c2 ON t2(c3, c2);
|
|
SHOW CREATE TABLE t2;
|
|
Table Create Table
|
|
t2 CREATE TABLE `t2` (
|
|
`c1` bigint(16) NOT NULL,
|
|
`c2` bigint(12) NOT NULL,
|
|
`c3` bigint(12) NOT NULL,
|
|
PRIMARY KEY (`c1`,`c2`,`c3`),
|
|
KEY `i_t2_c3_c2` (`c3`,`c2`),
|
|
CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
|
INSERT INTO t2 VALUES(0,0,1);
|
|
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`))
|
|
INSERT INTO t2 VALUES(0,0,0);
|
|
DELETE FROM t1;
|
|
ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`) REFERENCES `t1` (`c1`))
|
|
DELETE FROM t2;
|
|
DROP TABLE t2;
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(
|
|
c1 BIGINT(12) NOT NULL,
|
|
c2 INT(4) NOT NULL,
|
|
PRIMARY KEY (c2,c1)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
|
|
CREATE TABLE t2(
|
|
c1 BIGINT(16) NOT NULL,
|
|
c2 BIGINT(12) NOT NULL,
|
|
c3 BIGINT(12) NOT NULL,
|
|
PRIMARY KEY (c1)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
|
|
ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca
|
|
FOREIGN KEY (c3,c2) REFERENCES t1(c1,c1);
|
|
ERROR HY000: Can't create table '#sql-temporary' (errno: 150)
|
|
ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca
|
|
FOREIGN KEY (c3,c2) REFERENCES t1(c1,c2);
|
|
ERROR HY000: Can't create table '#sql-temporary' (errno: 150)
|
|
ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca
|
|
FOREIGN KEY (c3,c2) REFERENCES t1(c2,c1);
|
|
ERROR HY000: Can't create table '#sql-temporary' (errno: 150)
|
|
ALTER TABLE t1 MODIFY COLUMN c2 BIGINT(12) NOT NULL;
|
|
ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca
|
|
FOREIGN KEY (c3,c2) REFERENCES t1(c1,c2);
|
|
ERROR HY000: Can't create table '#sql-temporary' (errno: 150)
|
|
ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca
|
|
FOREIGN KEY (c3,c2) REFERENCES t1(c2,c1);
|
|
SHOW CREATE TABLE t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`c1` bigint(12) NOT NULL,
|
|
`c2` bigint(12) NOT NULL,
|
|
PRIMARY KEY (`c2`,`c1`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
|
SHOW CREATE TABLE t2;
|
|
Table Create Table
|
|
t2 CREATE TABLE `t2` (
|
|
`c1` bigint(16) NOT NULL,
|
|
`c2` bigint(12) NOT NULL,
|
|
`c3` bigint(12) NOT NULL,
|
|
PRIMARY KEY (`c1`),
|
|
KEY `fk_t2_ca` (`c3`,`c2`),
|
|
CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`, `c2`) REFERENCES `t1` (`c2`, `c1`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
|
CREATE INDEX i_t2_c2_c1 ON t2(c2, c1);
|
|
SHOW CREATE TABLE t2;
|
|
Table Create Table
|
|
t2 CREATE TABLE `t2` (
|
|
`c1` bigint(16) NOT NULL,
|
|
`c2` bigint(12) NOT NULL,
|
|
`c3` bigint(12) NOT NULL,
|
|
PRIMARY KEY (`c1`),
|
|
KEY `fk_t2_ca` (`c3`,`c2`),
|
|
KEY `i_t2_c2_c1` (`c2`,`c1`),
|
|
CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`, `c2`) REFERENCES `t1` (`c2`, `c1`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
|
CREATE INDEX i_t2_c3_c1_c2 ON t2(c3, c1, c2);
|
|
SHOW CREATE TABLE t2;
|
|
Table Create Table
|
|
t2 CREATE TABLE `t2` (
|
|
`c1` bigint(16) NOT NULL,
|
|
`c2` bigint(12) NOT NULL,
|
|
`c3` bigint(12) NOT NULL,
|
|
PRIMARY KEY (`c1`),
|
|
KEY `fk_t2_ca` (`c3`,`c2`),
|
|
KEY `i_t2_c2_c1` (`c2`,`c1`),
|
|
KEY `i_t2_c3_c1_c2` (`c3`,`c1`,`c2`),
|
|
CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`, `c2`) REFERENCES `t1` (`c2`, `c1`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
|
CREATE INDEX i_t2_c3_c2 ON t2(c3, c2);
|
|
SHOW CREATE TABLE t2;
|
|
Table Create Table
|
|
t2 CREATE TABLE `t2` (
|
|
`c1` bigint(16) NOT NULL,
|
|
`c2` bigint(12) NOT NULL,
|
|
`c3` bigint(12) NOT NULL,
|
|
PRIMARY KEY (`c1`),
|
|
KEY `i_t2_c2_c1` (`c2`,`c1`),
|
|
KEY `i_t2_c3_c1_c2` (`c3`,`c1`,`c2`),
|
|
KEY `i_t2_c3_c2` (`c3`,`c2`),
|
|
CONSTRAINT `fk_t2_ca` FOREIGN KEY (`c3`, `c2`) REFERENCES `t1` (`c2`, `c1`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
|
DROP TABLE t2;
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1 (a INT, b CHAR(1)) ENGINE=InnoDB;
|
|
INSERT INTO t1 VALUES (3,'a'),(3,'b'),(1,'c'),(0,'d'),(1,'e');
|
|
BEGIN;
|
|
SELECT * FROM t1;
|
|
a b
|
|
3 a
|
|
3 b
|
|
1 c
|
|
0 d
|
|
1 e
|
|
CREATE INDEX t1a ON t1(a);
|
|
SELECT * FROM t1;
|
|
a b
|
|
3 a
|
|
3 b
|
|
1 c
|
|
0 d
|
|
1 e
|
|
SELECT * FROM t1 FORCE INDEX(t1a) ORDER BY a;
|
|
ERROR HY000: Table definition has changed, please retry transaction
|
|
SELECT * FROM t1;
|
|
a b
|
|
3 a
|
|
3 b
|
|
1 c
|
|
0 d
|
|
1 e
|
|
COMMIT;
|
|
SELECT * FROM t1 FORCE INDEX(t1a) ORDER BY a;
|
|
a b
|
|
0 d
|
|
1 c
|
|
1 e
|
|
3 a
|
|
3 b
|
|
DROP TABLE t1;
|