8230f4162b
*: optimize analyze cluster index table ( #21381 )
2021-03-01 22:14:54 +08:00
3d4def7eef
planner, statistics: allow (auto) analyze single partition in dynamic-only mode ( #22625 )
2021-03-01 17:23:31 +08:00
550ca8eaeb
statistics: enables global-level stats to be generated in fast analyze mode ( #22931 )
2021-03-01 16:40:50 +08:00
e1004a2ccb
*: modify the switch to control global stats ( #22866 )
2021-03-01 14:18:30 +08:00
b1b7730402
statistics: add more tests to check accurateness of global-stats ( #22948 )
2021-03-01 12:49:56 +08:00
35534ae752
*: apply golangci-lint to the new code ( #22824 )
2021-02-24 18:24:03 +08:00
b5c6c9f548
statistics: make dump/load/show-stats be compatible with global-stats ( #22911 )
2021-02-24 17:33:40 +08:00
270d497848
statistics: introduce new estimation logic when index histogram fails to estimate ( #22682 )
...
* statistics: introduce new estimation logic when index histogram fail to estimate
* address comments
* address comments
Co-authored-by: Ti Chi Robot <71242396+ti-chi-bot@users.noreply.github.com >
2021-02-24 16:30:03 +08:00
62354d04b7
statistics: merge partition-level FMSketch to global-level FMSketch and update the column NDV ( #22878 )
2021-02-23 19:06:23 +08:00
df9e730c16
stats, planner, sessionctx: handle compatibility between feedback and ver2 stats ( #22846 )
...
Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com >
Co-authored-by: Yiding Cui <winoros@gmail.com >
Co-authored-by: Ti Chi Robot <71242396+ti-chi-bot@users.noreply.github.com >
2021-02-23 13:46:49 +08:00
f3fe4895cb
statistics: support to store FMSketch and add FMSketch to column stats ( #22841 )
...
* add FMSketch to mysql.stats_histograms
* statistics: support store FMSketch and add FMSketch to histogram
* FIX UT
* Create Stats_FM_Sketch Table
* fix UT
* add some tests
* FIX ut
* move fmSketch from histogram to column.stats
* remove unused code and comments
* fix ut
* fix ut
* fix ut
* fix ut
* fix ut
* fix ut
* finish the FMSketch.MemoryUsage function
* add some comments for FMSketch.MemoryUsage function
* fix typo
Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com >
Co-authored-by: Ti Chi Robot <71242396+ti-chi-bot@users.noreply.github.com >
2021-02-23 10:39:09 +08:00
1cd390b2bc
statistics: merge poped topn when generating the global histogram ( #22848 )
2021-02-22 14:34:53 +08:00
8842bbcde2
statistics: merge partition-level TopN to global-level TopN ( #22433 )
2021-02-19 19:05:58 +08:00
99d0b22f04
session, util: update session to use new APIs ( #22652 )
2021-02-19 13:10:30 +08:00
59ccb29508
statistics: merge the partition-level histograms to a global-level histogram ( #22603 )
2021-02-19 11:08:04 +08:00
27db39b480
*: use CLUSTERED and NONCLUSTERED to control primary key type ( #22409 )
2021-02-05 20:41:41 +08:00
2d717c12b3
statistics: merge the partition-level stats to global-level stats ( #22667 )
2021-02-05 11:42:41 +08:00
9a2997facb
statistics,executor: fix some unit tests that run twice ( #22705 )
2021-02-05 11:27:11 +08:00
343c412531
planner, executor, statistics: add tests for version 2 and fix bugs ( #22461 )
...
Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com >
2021-02-04 15:52:30 +08:00
17a65ab98b
statistics: refactor the statistics package use the RestrictedSQLExecutor API ( #22636 )
2021-02-03 13:28:57 +08:00
109ad45303
statistics: fix bug when bootstrap version 2 stats ( #22608 )
2021-02-01 11:18:44 +08:00
7f53f840fe
statistics: add tests for version 2 stats and fix bug ( #22564 )
2021-01-27 19:42:01 +08:00
f22ec62dd0
statistics: fix panic occurs when stats cache inconsistency ( #22465 )
2021-01-27 16:41:07 +08:00
05d995d73d
statistics: add more tests about ver2-stats ( #22457 )
2021-01-26 20:59:18 +08:00
0aa476034a
go.mod, statistics, planner: replace TIDB_STATS with STATS_EXTENDED ( #22492 )
2021-01-25 21:18:07 +08:00
8d2ab4ef7a
statistics: fix inaccurate row count estimation caused by cross validation using invalid column stats ( #22479 )
2021-01-22 17:42:37 +08:00
d0ca720a5f
*: support ALTER TABLE ADD / DROP TIDB_STATS ( #22127 )
2021-01-14 15:28:28 +08:00
3dd842f50a
statistics: add bucket ndv for index histogram ( #20580 )
...
Co-authored-by: Yuanjia Zhang <zhangyuanjia@pingcap.com >
Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com >
2021-01-13 18:24:21 +08:00
27a9b3e8f6
statistics: fix stack overflow when use DNF expr immediately after add column ( #22169 )
2021-01-06 12:08:10 +08:00
4a4acbe5fd
statistics: GC index usage information ( #21014 )
2021-01-05 15:02:19 +08:00
76054200b6
statistics: redesign the schema for mysql.stats_extended ( #22033 )
...
Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com >
2021-01-04 17:57:24 +08:00
0ddf74b19d
statistics: no more counting feedback if it is invalid ( #21712 )
2021-01-04 16:22:45 +08:00
27071f14d7
session/bootstrap: disable clustered index by default ( #21777 )
2020-12-25 15:44:07 +08:00
092a01a0a4
statistics, executor: refactor statistics on columns ( #21817 )
2020-12-24 13:56:30 +08:00
3cbfec31d9
*: add a switch for extended stats to disable the feature by default ( #21716 )
2020-12-15 18:27:23 +08:00
5acff8de7a
*: Revert " #19008 " and " #18788 " ( #21599 )
2020-12-14 15:06:35 +08:00
b4eee287af
*: extract topn out of histogram correctly ( #21007 )
...
Co-authored-by: Yuanjia Zhang <zhangyuanjia@pingcap.com >
2020-12-10 17:05:39 +08:00
b3f0f3cb74
Revert "statistics: introduce an interface for StatsCache ( #20091 )" ( #21583 )
2020-12-09 14:08:47 +08:00
28c9e9290b
*: gocritic fixes for commentFormatting ( #21578 )
2020-12-09 12:03:17 +08:00
fc37586491
*: refactor function ExecRestrictedSQLWithContext to fix a DATA RACE ( #21461 )
2020-12-04 14:28:38 +08:00
554bae75f0
statistics: introduce an interface for StatsCache ( #20091 )
2020-12-02 17:18:42 +08:00
5131514ebb
statistics: fix a bug which causes panic when using the clustered index and the new collation ( #21379 )
...
Signed-off-by: wjhuang2016 <huangwenjun1997@gmail.com >
2020-12-01 14:08:41 +08:00
0cddd8b7fb
statistics: fix the panic when analyze with collation enabled ( #21262 )
2020-11-25 20:10:20 +08:00
583cbd265b
statistics: store the topn by slice instead of map ( #20818 )
2020-11-06 15:39:33 +08:00
152b60ebe4
session: increase cm_sketch column max length to 6291456(6MB) ( #20152 )
2020-11-02 15:21:25 +08:00
c2e3b0a6ad
statistics: decouple TopN from CMSKetch ( #20572 )
2020-10-28 15:16:42 +08:00
fd84a91895
ddl, tikv: add delay during AddIndex DDL and remove schema check for async commit ( #20550 )
2020-10-28 11:48:34 +08:00
f41880a4d0
statistics: improve row count estimation of multi-column equal conditions by cross validation ( #20264 )
2020-10-27 20:10:27 +08:00
99d1163cbc
*: use ID instead of NAME in mysql.schema_index_usage ( #20589 )
2020-10-23 14:42:29 +08:00
bdb6c49600
*: collect index usage information from point get and dump them to KV ( #20126 )
2020-10-16 16:17:34 +08:00
