Commit Graph

518 Commits

Author SHA1 Message Date
80a281350d statistics: fix err check (#23001) 2021-04-23 12:39:54 +08:00
734084fa2b statistics: skip reading mysql.stats_histograms if cached stats is up-to-date (#24175) 2021-04-22 17:37:54 +08:00
ae7346fc64 statistics: introduce the weighted reservoir sampling (#24089) 2021-04-22 16:43:54 +08:00
77577d823e executor, statistics: remove NULL value from column histogram created by fast analyze (#24183) 2021-04-21 20:09:55 +08:00
720c47e4b8 *: don't allocate SessionIndexUsageCollector when indexUsageLease equals 0 (#23931) 2021-04-16 23:39:51 +08:00
f4cacb59be statistics: add more tests for extended stats (#23895) 2021-04-16 11:35:52 +08:00
f1a48216b2 statistics: fix some potential panic in statistics (#23988) 2021-04-15 21:15:53 +08:00
bd12ea96cc statistics: use index fm-sketches instead of bucket NDV to calculate global NDV for indexes (#23962) 2021-04-15 14:59:55 +08:00
e059055d0e statistics: check step overflow when converting a range to points for estimation (#23890) 2021-04-14 21:57:51 +08:00
d460a9c49a *: add column End_time in show analyze status and add related log (#23674) 2021-04-14 18:31:51 +08:00
dbd31ad044 statistics: make the global-level topN more accurate (#23862) 2021-04-12 12:06:34 +08:00
3a1dd7a665 statistics: collect FMSketch when processing index analyze tasks (#23838) 2021-04-09 15:40:18 +08:00
e18cab75e2 Revert "*: don't allocate SessionIndexUsageCollector when indexUsageLease equals 0" (#23929) 2021-04-09 15:05:26 +08:00
759a77c447 executor: do not show extended stats for dropped columns (#23828) 2021-04-07 16:40:33 +08:00
6cff35892c *: don't allocate SessionIndexUsageCollector when indexUsageLease equals 0 (#23861) 2021-04-07 14:18:16 +08:00
6fd925fdfe statistics: print log when tidb marks extended stats as deleted internally (#23834) 2021-04-06 11:19:24 +08:00
c637388e3f statistics: fix a statistics GC problem that can cause duplicated fm-sketch records (#23830) 2021-04-02 17:10:43 +08:00
fd7a331f03 statistics: feedback not panic when no ndv collected (#23808) 2021-04-02 11:45:24 +08:00
xhe
149440854e statistics: sort the test result, stable tests (#23564) 2021-03-26 21:45:23 +08:00
b11c71d23e MPP: fix 2-phase agg chose wrong partition column during planning (#23557) 2021-03-26 17:49:23 +08:00
aee5819a20 *: change @@tidb_enable_clustered_index to ON/OFF/INT_ONLY (#23529) 2021-03-26 15:59:24 +08:00
490c9386fb statistics: optimize the global histogram merging algorithm (#23520) 2021-03-26 15:40:59 +08:00
919e50db15 statistics: remove the dependency of stats GC on LastUpdateVersion (#23413) 2021-03-25 19:58:05 +08:00
3ea3c392b7 statistics: check duplicate columns and types for extended stats (#23437) 2021-03-25 19:38:45 +08:00
42141084fe statistics: fix auto analyze log information incomplete (#23522) 2021-03-25 15:51:23 +08:00
b1b375e7ef statistics: fix some unstable tests in global stats (#23502) 2021-03-24 16:11:37 +08:00
396760174c statistics: recalculate bucket repeats when merging global statistics (#23486) 2021-03-24 11:47:36 +08:00
b1c8ede13f *: hide index-usage-sync-lease config (#23349) 2021-03-22 18:47:36 +08:00
c8e07b845a statistics: fix build extended stats panic when met NULL (#23346) 2021-03-22 15:11:36 +08:00
1d5a81edb3 statistics: handle drop partition events for global-stats (#23343) 2021-03-22 14:29:36 +08:00
514a4ee671 statistics: remove existing deleted extended stats when add a new one (#23119) 2021-03-19 17:59:36 +08:00
411dba25b1 *: deprecate alter-primary-key configuration (#23270) 2021-03-18 15:17:36 +08:00
389bc5fe60 sessionctx: hide extended stats variable in SHOW VARIABLES temporarily (#23345) 2021-03-18 14:03:36 +08:00
23227ea4a0 statistics: hide the tidb_analyze_version before it's GA (#23327) 2021-03-16 13:54:55 +08:00
61075d3c5b planner: hide the switch of dynamic-pruning and global-stats (#23320) 2021-03-16 10:54:55 +08:00
1e2f1c0b9d statistics: add tests for global-stats when add and delete a single partition (#23256) 2021-03-12 15:44:20 +08:00
6d258c708a statistics: delete extended stats cache item in current tidb synchronously (#23088) 2021-03-12 12:00:55 +08:00
2258ab7267 statistics: add multi-column index test cases for global-statas (#23265) 2021-03-12 11:20:06 +08:00
c1b8347425 statistics: add a test case which builds global-stats on different versions of partition-stats (#23231) 2021-03-11 14:14:58 +08:00
168ef8878d statistics: test the auto analyze and feedback for the global-level stats (#23181) 2021-03-10 19:36:55 +08:00
b6db4506dc statistics: update the count and modify variables of global-stats as well when dumping delta info (#23228) 2021-03-10 16:24:55 +08:00
6f763574c9 statistics: test tidb_partition_prune_mode session variable (#23176) 2021-03-10 13:59:36 +08:00
579cf90afa statistics: fix a case that auto-analyze is triggered outside its time range (#23214) 2021-03-09 21:44:54 +08:00
b42a6f449a statistics: add test for analyze single partition (#23167) 2021-03-08 19:58:55 +08:00
4cc597a891 statistics: add more test cases for global-stats with different analysis options (#23169) 2021-03-08 19:41:59 +08:00
31df40b9bc statistics: add some test cases of global-stats to cover more column types (#23138) 2021-03-08 14:10:54 +08:00
7fdfc44f8c statistics: add tests for analyze with dynamic partition prune mode (#23113) 2021-03-05 16:26:54 +08:00
a1712a037f statistics: add more test cases about global-stats and fix some issues (#23099) 2021-03-05 14:34:31 +08:00
2cdd8a30ca statistics: report error for extended statistics register on partitioned tables (#23089) 2021-03-04 15:50:15 +08:00
1ae775f6f9 statistics: add more test cases for global-level stats (#23049) 2021-03-04 15:19:21 +08:00