Commit Graph

612 Commits

Author SHA1 Message Date
ea26284ea3 *: avoid special cases DATA RACE (#38918)
close pingcap/tidb#38914
2022-11-08 20:13:50 +08:00
dc9b691714 extension: add extension API to listen stmt events (#38789)
close pingcap/tidb#38788
2022-11-07 16:03:51 +08:00
114d8c1195 *: enable global memory control by default (#38899) 2022-11-04 21:36:01 +08:00
0b3e1e9be0 *: Chunkreuse try reuse chunk in operator (#38607)
close pingcap/tidb#38606
2022-11-04 11:28:00 +08:00
c799b0f165 *: disable global memory control by default (#38859) 2022-11-03 19:32:01 +08:00
510003d1f6 planner: add switch for plan cache memory trace (#38824)
ref pingcap/tidb#37632
2022-11-03 15:26:00 +08:00
ef95612e84 *: extend the semantic of mem-quota-query to mem-quota-session (#38423)
close pingcap/tidb#38429
2022-11-02 10:45:59 +08:00
ba6ae458f8 *: add variables and support external timestamp read (#38276)
close pingcap/tidb#38274
2022-11-01 17:40:00 +08:00
cff890a3d9 *: add server ip in connection info (#38723)
close pingcap/tidb#38493
2022-10-31 14:17:59 +08:00
70f3348ebf executor: support save partition stats in concurrency (#38239)
ref pingcap/tidb#35142
2022-10-25 15:57:55 +08:00
64051f99cf planner: avoid double scan for index prefix col is (not) null (#38555)
ref pingcap/tidb#21145
2022-10-24 18:59:56 +08:00
e8d265981a statistics: support merge global topn in concurrency (#38358)
ref pingcap/tidb#35142
2022-10-18 17:07:53 +08:00
dd65832136 *: add context for hook of getting/setting variables (#38379)
close pingcap/tidb#38378
2022-10-18 16:43:53 +08:00
61eed5c362 copr: increase extra concurrency for small coprocessor tasks (#37725)
close pingcap/tidb#37724
2022-10-14 16:13:52 +08:00
e0b82dbab7 planner: hide cost model factors from users (#38324)
ref pingcap/tidb#36243
2022-10-09 14:23:49 +08:00
5c4b328b02 variables: enable variable hook to access storage (#38227)
close pingcap/tidb#38225
2022-10-01 02:35:45 +08:00
05f808f68e *: fix data race for txnCtx (#38041)
close pingcap/tidb#38000
2022-09-22 16:21:04 +08:00
ff1df75a6a *: add more tests for metadata lock and fix data race (#37930)
close pingcap/tidb#37927
2022-09-20 12:05:01 +08:00
bfa9d08e31 *: use sync.map for mppStoreLastFailTime (#37318)
close pingcap/tidb#37317
2022-09-20 10:59:01 +08:00
0823fdb6b3 planner, executor: implement the null-aware antiSemiJoin and null-aware antiLeftOuterSemiJoin (hash join with inner build) (#37512)
close pingcap/tidb#37525
2022-09-20 00:05:03 +08:00
c4638b70fd *: support metadata lock (#37393)
ref pingcap/tidb#37275
2022-09-18 20:57:00 +08:00
efc07201e3 planner: support 3 stage aggregation for single scalar distinct agg (#37203)
close pingcap/tidb#37202
2022-09-17 13:36:59 +08:00
f61024b2dc variables: change tidb_rc_read_check_ts to instance level (#37803)
close pingcap/tidb#37802
2022-09-16 18:28:59 +08:00
20d46c2c53 planner: make unsafe substitute can be used in generated column (#37779)
close pingcap/tidb#35490
2022-09-16 12:50:59 +08:00
5209ac2fa1 sessionctx: support session var tidb_last_plan_replayer_token (#37851)
ref pingcap/tidb#37798
2022-09-15 18:15:00 +08:00
100b65819b Optimize: TiDB skip getting tso from PD at RC isolation for some special scenes (#36823)
close pingcap/tidb#36812
2022-09-13 16:40:58 +08:00
ca5de8928b session, planner: add a session variable "tidb_opt_force_inline_cte" (#37626)
close pingcap/tidb#36514
2022-09-08 15:52:57 +08:00
52c847651d sessionctx/variable: add system variable tidb_opt_range_max_size (#37706)
ref pingcap/tidb#37176
2022-09-08 15:20:57 +08:00
7eb7ca902a planner: fallback to static plan for partition table if having no global stats in dynamic prune mode (#37573)
ref pingcap/tidb#37535
2022-09-08 09:20:57 +08:00
9036de3394 *: support create table with foreign key and maintain foreign key reference (#37148)
close pingcap/tidb#37147
2022-09-07 13:22:56 +08:00
36b6710c64 executor: disable closest replica read if cluster is not balanced (#36824)
ref pingcap/tidb#35926
2022-09-07 11:28:56 +08:00
3e39d4514f *: add a config to enable write statements to read on TiFlash (#37516)
close pingcap/tidb#37515
2022-09-02 17:54:25 +08:00
835922a5cd txn: support skipping locking of some INSERT in pessimistic transactions (#36473)
close pingcap/tidb#36579
2022-09-01 18:34:25 +08:00
ccd4f347a2 *: Enable tiflash_fastscan variable and remove fast mode alter statment (#37027)
ref pingcap/tidb#35850
2022-08-29 11:28:22 +08:00
d435267600 statistics: track used stats status during query (#37101)
ref pingcap/tidb#36481
2022-08-25 12:14:21 +08:00
4cf7eeee64 planner: add warn log for sync stats (#36956) 2022-08-22 15:24:20 +08:00
d0f8487dea *: support specifying range bits for auto_random (#36860)
close pingcap/tidb#32508
2022-08-16 20:54:50 +08:00
5dc3e58485 planner: introduce the general plan cache (#37150)
ref pingcap/tidb#36598
2022-08-16 20:24:51 +08:00
f65948d8d5 planner: modify sysvar TiDBPrepPlanCacheSize scope (#37131)
ref pingcap/tidb#36598
2022-08-16 16:22:51 +08:00
0039dd2fde planner: introduce tidb_general_plan_cache_size for general plan cache (#37087)
ref pingcap/tidb#36598
2022-08-16 12:04:52 +08:00
7d8c45aa4d planner: provide a unified interface to set and get user variables and types (#37046)
ref pingcap/tidb#36598
2022-08-11 19:18:50 +08:00
d6d0ce7b10 *: gofmt code for adapting go 1.19 (#36832)
ref pingcap/tidb#36879
2022-08-11 12:50:49 +08:00
e0c6240396 planner: introduce Session.CacheGeneralStmt for general plan cache (#37028)
close pingcap/tidb#36598
2022-08-11 12:02:48 +08:00
45f82afa20 executor: revert #36498 to avoid perf regression (#37005)
ref pingcap/tidb#36438
2022-08-10 10:42:48 +08:00
7d744b18e2 planner: remove execID in ExecuteStmt (#36967)
ref pingcap/tidb#36598
2022-08-09 14:10:47 +08:00
244b353a11 planner: support session level for the variable tidb_enable_prepared_plan_cache (#36923)
ref pingcap/tidb#36598
2022-08-08 11:18:47 +08:00
e071841317 planner: fix redudent planID for partition table in optimizer trace (#36711)
close pingcap/tidb#36759
2022-08-04 15:50:06 +08:00
5ef18981cc Revert "planner: refactor the IsolationReadEngines variable for plan cache" (#36873) 2022-08-04 10:30:06 +08:00
bd3d138049 planner: remove the useless variable tidb_enable_point_get_cache (#36844)
close pingcap/tidb#36598
2022-08-03 20:20:05 +08:00
3847d9e56f planner: refactor the IsolationReadEngines variable for plan cache (#36770)
ref pingcap/tidb#36598
2022-08-03 19:44:05 +08:00