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9bda71df3b
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infoschema, session: forbid statement summary related global v… (#16652)
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2020-04-23 12:35:25 +08:00 |
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ff7413fedb
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planner, sessionctx : Add 'last_plan_from_cache' to help know whether sql's plan is from plan cache (#16321)
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2020-04-17 17:15:21 +08:00 |
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e90aac2710
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executor: add config EnableCollectExecutionInfo (#15493)
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2020-04-13 20:45:25 +08:00 |
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af0a49cb7a
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[store/tikv] support batch coprocessor for TiFlash (#16030)
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2020-04-09 13:01:09 +08:00 |
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0fcece7bbc
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*: show correct result for system variable tidb_capture_plan_baselines (#16013)
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2020-04-03 12:18:08 +08:00 |
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4eb9ca3d3f
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planner: push aggregation functions with distinct to cop (#15500)
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2020-04-01 20:49:14 +08:00 |
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514b180928
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executor: turn off dynamic config by default and add some removed variables back (#15833)
Co-authored-by: pingcap-github-bot <sre-bot@pingcap.com>
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2020-03-30 16:07:47 +08:00 |
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6905549bf6
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*: support more system variables in statement summary (#15508)
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2020-03-25 16:07:10 +08:00 |
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82829e1fa5
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*: consolidate some settings related to the collation (#15553)
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2020-03-23 17:38:31 +08:00 |
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bbac2b2fe4
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executor: Improve the performance of aggFuncSum by using sliding window (#14887)
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2020-03-23 13:29:44 +08:00 |
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df6f378267
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stmtsummary: add a switch to decide whether capture internal q… (#15461)
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2020-03-20 17:39:11 +08:00 |
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9a882c4b88
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sessionctx/variable: fix potential timezone bugs (#14877)
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2020-03-03 10:25:40 +08:00 |
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5d4eb4c806
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config: support to dynamically update some config items read from PD (#14750)
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2020-02-17 19:30:27 +08:00 |
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f71425b32b
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session: support leader-and-follower for tidb_replica_read (#14761)
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2020-02-14 15:06:58 +08:00 |
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74bc00dfa9
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Improve the performance of WindowExec by using multi-thread hash grouping (#14238)
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2020-01-16 21:04:16 +08:00 |
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c48d5635f9
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*: replace conf item pprof_sql_cpu with srv var tidb_pprof_sql_cpu (#14385)
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2020-01-09 13:23:09 +08:00 |
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0bab73adf5
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*: use new row-format in tidb (#12634)
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2020-01-02 22:34:39 +08:00 |
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d006443194
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type: encapsulate Time API (#14288)
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2019-12-31 12:41:09 +08:00 |
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933715f4a2
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infoschema: add metric database/table to query cluster metric via SQL. (#13757)
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2019-12-20 16:13:28 +08:00 |
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c39317e890
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executor: support turn on/off slow-log by variables (#14016)
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2019-12-18 10:48:46 +08:00 |
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f6fc7847b1
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bindinfo: unify session variables of spm (#14005)
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2019-12-12 15:09:28 +08:00 |
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0fe96bc864
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stats: remove the lower bound of auto analyze ratio (#13995)
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2019-12-10 16:52:25 +08:00 |
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d439a57566
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infoschema, util: add table events_statements_summary_by_digest_history (#13813)
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2019-12-09 16:11:49 +08:00 |
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78e3c4d885
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extract hot system variables from map (#13810)
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2019-12-05 10:32:39 +08:00 |
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5b6422df58
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*: support read remote TiDB memory table of cluster (#13065)
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2019-12-04 13:05:36 +08:00 |
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5a589c9994
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planner: consider disk cost in hashJoin (#13246)
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2019-12-03 13:43:19 +08:00 |
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18fbe2d483
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infoschema, util: refresh statement summary table periodically (#13680)
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2019-11-28 15:39:22 +08:00 |
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518692c14c
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bindinfo: support evolve plan (#13465)
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2019-11-22 17:09:37 +08:00 |
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4283263b13
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store : add store limit to restrain bad store from occupying too much token limit. (#12779)
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2019-11-13 18:49:24 +08:00 |
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58733475da
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*: support capture evolve plan tasks (#13199)
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2019-11-13 16:22:48 +08:00 |
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2dfaf55410
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sysvars: error code package for sysvar.go (#13366)
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2019-11-12 13:01:29 +08:00 |
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538077ff75
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*: rename Arrow to Chunk (#13060)
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2019-11-06 14:51:10 +08:00 |
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000c1ba5db
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planner, session: add isolation read with engine type (#12997)
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2019-11-01 15:47:12 +08:00 |
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6fd74f3e4c
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planner: support cost model for tiflash table scan (#12868)
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2019-10-29 16:05:51 +08:00 |
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b8cd65714f
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*: record and print the plan in slow log. (#12179)
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2019-10-17 22:13:19 +08:00 |
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740b7769b0
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*: support automatically create sql baselines (#12434)
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2019-10-17 14:16:48 +08:00 |
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20823fbe18
|
*: add a system variable to control the usage of baselines (#12624)
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2019-10-14 21:09:03 +08:00 |
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3e8129d59e
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executor,sessionctx: add correctness for system variables (#12311)
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2019-10-08 16:20:52 +08:00 |
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1a9fcb9c20
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*: replace cost model factor constants with system variable (#12367)
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2019-09-30 14:24:07 +08:00 |
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99a5432dce
|
*: encode the returned data using the Chunk format in mocktikv (#12023)
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2019-09-28 20:02:26 +08:00 |
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ba9d1ca960
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*: adjust delta schema count and add metrics (#11625)
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2019-09-27 20:33:18 +08:00 |
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9064c49611
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session, executor: support setting tidb_enable_stmt_summary in session scope (#12217)
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2019-09-18 15:19:47 +08:00 |
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0f55274760
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infoschema, session: support for events_statements_summary_by_digest (#12017)
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2019-09-12 19:53:16 +08:00 |
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bbd131b272
|
ddl: disallow dropping auto_increment column attribute (#12107)
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2019-09-10 21:42:52 +08:00 |
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0fbd21c085
|
*: replace pessimistic default config option with global variable (#12041)
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2019-09-05 18:32:58 +08:00 |
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c07fcc4a34
|
executor: make the projection executor support vectorized expression evaluation (#11917)
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2019-08-30 13:41:05 +08:00 |
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523b93651d
|
Add follower read support to TiDB (#11347)
|
2019-08-16 13:26:17 +08:00 |
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d381d84d1b
|
executor,sessionctx: refine output format for tidb-specific variables of boolean type (#11239)
|
2019-07-15 15:47:17 +08:00 |
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89baed8e17
|
ddl: scatter the regions of table when creating them (#10980)
|
2019-07-10 11:09:14 +08:00 |
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a737d26e4f
|
*: add tidb_enable_noop_functions to default disable get_lock()/release_lock() (#10987)
* issue#4100 add new variable to default disable usage of get_lock and release_lock functions
|
2019-07-08 13:47:36 +08:00 |
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