354f3997c0
executor: add concurrency limit on union executor ( #19827 )
2020-09-08 19:16:23 +08:00
ce849c3e19
*: remove DirtyDB and DirtyTable to reduce memory usage ( #19042 )
2020-09-04 16:50:36 +08:00
5d3cdf5d17
*: add execution retry time in slow log and slow_query and statement_summary ( #19625 )
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Signed-off-by: crazycs520 <crazycs520@gmail.com >
2020-09-01 11:16:52 +08:00
253d43fb51
*: add execution retry count in slow log and slow_query ( #19487 )
2020-08-27 14:18:06 +08:00
945f7cc4a0
ddl, tables: support the column type change between the integer types ( #19059 )
2020-08-26 21:30:14 +08:00
6b3964c75d
add system variable to control amend on or off ( #19321 )
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Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com >
2020-08-20 20:20:51 +08:00
4f96c84637
util/rowcodec: make IsRowKey() recognize common handles ( #19228 )
2020-08-17 13:48:28 +08:00
32963d3387
*: make load data atomic by default ( #18807 )
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Signed-off-by: Tina Fritz <tina77fritz@gmail.com >
2020-08-06 21:05:49 +08:00
b363937744
transaction: fix union select for update race ( #19006 )
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* transaction: fix LockKeys race
* do not update delta for lock keys
* fix more race
* fix another race
Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com >
2020-08-06 09:24:17 +08:00
9d77d7fc30
executor: fix wrong result for update ignore ( #18936 )
2020-08-03 16:48:07 +08:00
a63fa79d90
transaction: lazy check not exists error for pessimistic transaction ( #18877 )
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Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com >
2020-07-31 08:44:49 +08:00
f6ef1c371f
executor: implement parallel apply ( #18044 )
2020-07-27 17:49:28 +08:00
29178dfa8d
planner, executor: support broadcast join for tiflash engine. ( #17232 )
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* support batch cop for tiflash
* support batch cop
* support join push down to tiflash
* refine
* change pb
* push join
* fix
* add hint
* refine hint
* add ranges
* fix
* fix
* fix push down
* fix index
* enable distsql for join
* add a session var to disable/enable broadcast join
* fix bug
* fix bug
* tiny fix
* enable cast decimal pushdown to tiflash
* fix
* fix bc join bug
* make broadcast plan stable
* refine code
* fix bug
* basic support for multi table broadcast join
* fix bug
* basic cbo for broadcast join
* improve
* fix bug
* remote useless code
* add tests
* pass unit tests
* refine code
* support execute summary info for broadcast join
* fix bug in explain for broadcast join
* format code
* remove un-needed code
* fix make dev
* address comments
* Hanfei/join merge (#7 )
* enable exec details for batch cop
* format code
* fix test
* change tidb_opt_broadcast_join to global vars
* Ban cartesian join to be pushed down to TiFlash (#8 )
* merge master (#10 )
* merge master
* fix bug
* fix bug
* fix ut
* check session var conflict
* Add perfer local hint for broadcast join (#12 )
* update
* remove useless code
* remove useless code
* update parser
* add test for prefer local join
* use bcj_local
* update go.mod
* refine planner
* refine comments
* fix make dev
* fix make dev
* update parser
* address comments
* fix make dev
* disable broadcast join when new collation is enabled
* Update planner/core/exhaust_physical_plans.go
Co-authored-by: Zhuomin(Charming) Liu <lzmhhh123@gmail.com >
* address comments
* fix
* address comments
* fix tests
* address comments
Co-authored-by: xufei <xufeixw@mail.ustc.edu.cn >
Co-authored-by: xufei <xufei@pingcap.com >
Co-authored-by: 虎 <ichneumon.hu@foxmail.com >
Co-authored-by: Zhuomin(Charming) Liu <lzmhhh123@gmail.com >
2020-07-27 12:41:36 +08:00
297acf7e82
log: add tidb_log_desensitization global variable to control whether do desensitization when log query ( #18578 )
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Signed-off-by: crazycs520 <crazycs520@gmail.com >
2020-07-15 15:44:56 +08:00
761a961ba0
kv: refactor MemBuffer and reduce the memory usage ( #18372 )
2020-07-15 15:26:25 +08:00
b122d58ccb
executor: add deprecation warning for hash_join_concurrency ( #18453 )
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Signed-off-by: niedhui <niedhui@gmail.com >
2020-07-13 19:29:37 +08:00
6a7ba4aafa
executor: make the format of the DB field in slow logs be compatible with MySQL ( #18389 )
2020-07-13 18:39:41 +08:00
8a661044ce
multi-query prefetch support pessimistic transaction ( #18439 )
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Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com >
2020-07-10 18:47:56 +08:00
2dfae9850a
executor: make hashjoin using executor_concurrency ( #18213 )
2020-07-08 13:41:10 +08:00
ef8ad55082
executor: make the format of user and host fields in slow logs be compatible with MySQL ( #18162 )
2020-07-06 10:40:21 +08:00
4eb9d83eae
*: allow different shard_row_id prefixes in one transaction ( #18181 )
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* *: allow different shard_row_id prefixes in one transaction
* Apply suggestions from code review
Co-authored-by: tangenta <tangenta@126.com >
* Update sessionctx/variable/session.go
Co-authored-by: tangenta <tangenta@126.com >
* add comments
* add unit test
* add var validation
* update builtinGlobalVariable
Co-authored-by: tangenta <tangenta@126.com >
2020-06-29 14:38:06 +08:00
773b29102d
charset: add missing ascii check( #18193 )
2020-06-27 15:34:26 +08:00
c98514e751
executor: unify executor concurrency ( #16999 )
2020-06-22 17:39:32 +08:00
c2c02cde4b
*: support record kv/pd time for a SQL statement ( #17591 )
2020-06-18 21:17:48 +08:00
ad598e431a
executor: add the cache for apply executor ( #17039 )
2020-06-17 21:24:12 +08:00
405a5d009d
sessionctx: add optimization-time and wait-TS-time into the slow log ( #17869 )
2020-06-10 10:41:50 +08:00
0ec197fae0
sessionctx: add some information about the rewriting phase into the slow log ( #17569 )
2020-06-09 13:49:42 +08:00
2a2c93bc68
ddl, sessionctx: make auto_random aware of auto_increment_increment ( #17575 )
2020-06-05 14:27:25 +08:00
35e2d3a081
*: add global variable tidb_slow_log_masking to control masking slow log query ( #17637 )
2020-06-05 09:15:41 +08:00
d53336bd4a
planner: support sql_select_limit session / global variable ( #17444 )
2020-06-02 18:02:29 +08:00
3adb557c97
ddl, variable: add system variable to control Clustered Index feature ( #17561 )
2020-06-02 10:48:28 +08:00
55d9d6ca1e
sessionctx,infoschema,executor,util: Show disk usage of a query in slow query and statement summary ( #17132 )
2020-05-26 22:03:40 +08:00
a3d5082094
sessionctx, executor: add session var to control explicit insertion on auto_random column ( #17102 )
2020-05-26 20:32:10 +08:00
0d33a84576
session: fix unsecessfully set the isolation read engines ( #17258 )
2020-05-20 19:54:37 +08:00
ea2e215ff8
*: fix a bug caused by the wrong collation setting which leads to the wrong result of collation function ( #17116 )
2020-05-15 13:30:49 +08:00
cfec13772b
sessionctx: record if a query hits plan cache in slow log ( #17088 )
2020-05-12 15:49:05 +08:00
8ea2ed03e7
session: Move OptimizerUseInvisibleIndexes from SmtmCtx to SessionVars ( #17040 )
2020-05-09 08:41:05 +08:00
ff7413fedb
planner, sessionctx : Add 'last_plan_from_cache' to help know whether sql's plan is from plan cache ( #16321 )
2020-04-17 17:15:21 +08:00
557d9d38b6
config: remove the config item 'enable-dynamic-config' ( #16358 )
2020-04-15 17:28:52 +08:00
e90aac2710
executor: add config EnableCollectExecutionInfo ( #15493 )
2020-04-13 20:45:25 +08:00
c561d5aa99
*: remove useless conversions and omit some types ( #16262 )
2020-04-10 00:23:06 +08:00
af0a49cb7a
[store/tikv] support batch coprocessor for TiFlash ( #16030 )
2020-04-09 13:01:09 +08:00
c81e903804
*: use the revertable sandbox to buffer mutations ( #15931 )
2020-04-03 14:54:27 +08:00
4eb9ca3d3f
planner: push aggregation functions with distinct to cop ( #15500 )
2020-04-01 20:49:14 +08:00
94fb1bf18d
txn: stop more statement executions if pessimistic transaction ttl manager timed out ( #15877 )
2020-03-31 11:53:41 +08:00
17530c4059
expression: Support collate for user session variable ( #15449 )
2020-03-31 11:29:07 +08:00
514b180928
executor: turn off dynamic config by default and add some removed variables back ( #15833 )
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Co-authored-by: pingcap-github-bot <sre-bot@pingcap.com >
2020-03-30 16:07:47 +08:00
7223e7f8c9
bindinfo, planner: fix TiFlash compatibility with binding and SQL plan management ( #15719 )
2020-03-27 15:44:15 +08:00
82829e1fa5
*: consolidate some settings related to the collation ( #15553 )
2020-03-23 17:38:31 +08:00
bbac2b2fe4
executor: Improve the performance of aggFuncSum by using sliding window ( #14887 )
2020-03-23 13:29:44 +08:00
