|
|
604883a5e1
|
planner: introduce a new variable to adjust the penalty double read cost of IndexJoin (#40571)
close pingcap/tidb#40556
|
2023-01-15 21:07:48 +08:00 |
|
|
|
b1ecabb559
|
txn: Optimize pessimistic transaction by supporting locking with conflict (#35588)
close pingcap/tidb#40537
|
2023-01-13 11:09:46 +08:00 |
|
|
|
005c8d8ef8
|
*: remove the support of the amending transaction (#39714)
close pingcap/tidb#40381
|
2023-01-06 18:26:21 +08:00 |
|
|
|
669ba5cbae
|
*: add warnings to slow log and slow query table (#39884)
ref pingcap/tidb#39893
|
2023-01-05 23:34:21 +08:00 |
|
|
|
afbef28e56
|
executor: TiFlash supports stale read (#40048)
close pingcap/tidb#40047
|
2022-12-27 19:06:16 +08:00 |
|
|
|
aeccf77637
|
*: optimize mpp probe (#39932)
close pingcap/tidb#39686
|
2022-12-22 15:42:55 +08:00 |
|
|
|
017901d1d6
|
*: extend skyline pruning diagnostic info and add extra warnings (#39894)
ref pingcap/tidb#39893
|
2022-12-20 18:00:55 +08:00 |
|
|
|
0fe61bd41a
|
*: prevent cursor read from being cancelled by GC (#39950)
close pingcap/tidb#39447
|
2022-12-16 16:12:52 +08:00 |
|
|
|
97a9e63d78
|
sessionctx, executor: fix failure of reading MaxPreparedStmtCount (#39736)
close pingcap/tidb#39735
|
2022-12-15 19:14:53 +08:00 |
|
|
|
3aba336048
|
domain: Support plan replayer continus capture (#39926)
|
2022-12-15 16:34:52 +08:00 |
|
|
|
aeceb22fa6
|
planner: rename general plan cache to non-prepared plan cache (#39873)
|
2022-12-13 17:16:13 +08:00 |
|
|
|
6784bfd0e8
|
sessionctx: move shardRand from TransactionContext to SessionVars to reduce allocation (#39661)
|
2022-12-08 20:28:05 +08:00 |
|
|
|
8e3cbac057
|
*: bind user to some resource group (#39561)
ref pingcap/tidb#38825
|
2022-12-07 19:26:04 +08:00 |
|
|
|
9d9eaca77f
|
store/copr: support batch coprocessor requests by store (#39525)
ref pingcap/tidb#39361
|
2022-12-01 23:58:02 +08:00 |
|
|
|
e135608dcf
|
executor: support Intersection of IndexMerge (#38636)
close pingcap/tidb#39334
|
2022-11-29 23:24:00 +08:00 |
|
|
|
f8a6bde954
|
*: add a reference count for StmtCtx (#39368)
close pingcap/tidb#27725
|
2022-11-28 17:02:01 +08:00 |
|
|
|
15b523cb07
|
*: add a memdb memory tracker (#39372)
ref pingcap/tidb#35203
|
2022-11-25 19:03:59 +08:00 |
|
|
|
5775995ea1
|
variable: add txn_source into kv.context (#39159)
ref pingcap/tidb#38587
|
2022-11-25 17:09:58 +08:00 |
|
|
|
5aa66cb5c2
|
domain: support dump plan replayer capture task during query (#39125)
ref pingcap/tidb#38779
|
2022-11-16 12:41:54 +08:00 |
|
|
|
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 |
|