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9aa756336e
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executor: avoid sum from avg overflow (#30010)
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2021-12-03 11:09:55 +08:00 |
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a90344c5a3
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planner: regard NULL as point when accessing composite index (#30244)
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2021-12-01 10:15:34 +08:00 |
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5f340b88c9
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parser: format error message during parsing when meet a big value. (#28791)
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2021-11-18 00:51:47 +08:00 |
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4b295081ea
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Planner,MPP: check whether the order-by items can be pushed down to tiflash/tikv or not (#29763)
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2021-11-15 15:37:07 +08:00 |
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82f2bccf03
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planner: eliminate empty projection below aggregation (#29606)
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2021-11-10 11:55:05 +08:00 |
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f77189b973
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planner, MPP: fix two bugs about group by duplicated and sort by exprs (#29363)
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2021-11-04 11:41:01 +08:00 |
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a18977a93b
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expression: fix a bug caused by cast function signature wrong in aggregation push down (#28805)
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2021-11-01 10:46:51 +08:00 |
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5e7a871c3d
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planner: refine warnings about can't push down to TiFlash. (#29285)
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2021-11-01 00:02:50 +08:00 |
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0ee40992c7
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expression: support pushdown duration to tiflash (#28914)
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2021-10-30 00:54:51 +08:00 |
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4b4984e6cc
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planner: remove duplicate predicates in the Selection operator (#28317)
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2021-10-28 15:18:49 +08:00 |
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04e661095c
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planner, statistics, sessionctx: add variable to enable/disable the outdated statistics to pseudo logic (#28554)
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2021-10-28 11:28:48 +08:00 |
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0cc7b99a89
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planner: reject non-top sort for MPP (#28924)
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2021-10-27 13:30:48 +08:00 |
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36d0b4067d
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expression: not push invalid cast to tiflash (#28458)
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2021-10-08 15:33:23 +08:00 |
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a18e05d2f7
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expression: limit valid decimal length (#28466)
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2021-10-08 14:49:23 +08:00 |
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d1a3279b73
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planner: fix can not found column bug (#28067)
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2021-09-17 15:24:42 +08:00 |
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ceaf670477
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planner: fix the index-out-of-range panic when pruning list-partition with condition is null (#27730)
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2021-09-07 17:38:57 +08:00 |
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afca7649fa
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planner: refine prefer-range-scan behavior (#27123)
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2021-09-02 12:06:14 +08:00 |
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f50dd1f24c
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expression: Push down group concat to TiFlash (#24778)
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2021-08-30 15:44:12 +08:00 |
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8dcebd1239
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planner, expression: avoid exprs with side effects in column pruning and agg pushdown (#27370)
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2021-08-27 16:46:05 +08:00 |
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9e248d9420
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planner: correctly set StatsVersion of tablePlan in copTask (#27161)
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2021-08-25 18:06:04 +08:00 |
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c5689a1d3f
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planner: fix row count estimation for partially pushed down selections (#25715)
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2021-08-18 14:17:59 +08:00 |
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84a8b0f6ee
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planner: don't extract hash keys from index join's OtherConds if inl_merge_join hint exists (#24994)
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2021-08-18 11:28:00 +08:00 |
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b7860acc9f
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planner: avoid unnecessary cartesian product for IN expressions on multi-columns (#24793)
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2021-08-17 15:46:00 +08:00 |
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1c6c548334
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planner: add missing column for Apply convert to Join (#27246)
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2021-08-17 11:49:59 +08:00 |
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09ebd0d703
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planner: fix wrong selection push down when having above agg (#27021)
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2021-08-16 20:29:59 +08:00 |
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f7917916ed
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expression: do not derive filters containing null sensitive functions from outer join (#27067)
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2021-08-13 14:49:22 +08:00 |
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0e48cb22a9
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planner: prune hash partition should consider unsigned flag (#27098)
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2021-08-12 19:59:16 +08:00 |
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0b6b13500d
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planner: add test for heuristic index selection (#26917)
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2021-08-11 20:37:16 +08:00 |
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5a6c93ff5c
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planner: add more test cases for list column partition (#27081)
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2021-08-11 10:47:15 +08:00 |
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8a67e535a9
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planner: add more test cases for list partition (#27023)
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2021-08-09 16:29:14 +08:00 |
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312ec6cf47
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planner: output skyline pruning information when executing EXPLAIN (#26748)
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2021-08-06 19:57:14 +08:00 |
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4d9473a6c6
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expression: Add missing pbcode for functions InetAton/InetNtoa/Inet6Aton/Inet6Ntoa/IsIPv4/IsIPv4Compat/IsIPv4Mapped/IsIPv6. (#26939)
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2021-08-06 16:11:13 +08:00 |
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bc625e9379
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planner: add heuristic rules for index selection (#26304)
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2021-08-04 20:09:07 +08:00 |
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e548c42ccb
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planner: support Hash exchange operator when new collation is enabled. (#26789)
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2021-08-04 10:39:06 +08:00 |
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cb65b7a2f7
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statistics: improve out-of-range estimation strategy (#26502)
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2021-08-02 17:43:08 +08:00 |
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fdd6663d30
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planner: add more test cases for list partitioning (#26729)
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2021-08-02 15:45:06 +08:00 |
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7f2843803a
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planner: improve skyline pruning (#26271)
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2021-08-02 14:17:06 +08:00 |
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e0dbe7ae8a
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planner: push TopN down when N is less than a specific variable (#26550)
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2021-07-27 16:38:16 +08:00 |
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e116573fbb
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expression: push down mod() to TiFlash (#26494)
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2021-07-27 12:50:15 +08:00 |
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a4146033fb
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planner: report warning when mpp join can't be selected whether it is MPPTask. (#26487)
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2021-07-23 17:52:14 +08:00 |
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70493cdf4d
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planner: refine the control logic of broadcast join (#26347)
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2021-07-23 17:30:14 +08:00 |
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1c088522c8
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planner: fix the unstable test TestOrderedResultModeOnOtherOperators (#26481)
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2021-07-23 10:48:14 +08:00 |
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0bf495d5e8
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planner: unify the terms NDV and cardinality in the optimizer (#26345)
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2021-07-20 11:59:35 +08:00 |
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60b600ef1a
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planner/core: always add projection to agg that is pushed to tiflash (#26263)
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2021-07-15 16:05:32 +08:00 |
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76c5fd0e26
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planner: add warnings about joins when tidb_enforce_mpp is enabled. (#26246)
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2021-07-15 15:31:32 +08:00 |
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0db5df550b
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planner: rename stable-result-mode to ordered-result-mode (#26093)
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2021-07-12 16:01:32 +08:00 |
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c24a90f9e7
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planner: support stable result mode (#25971)
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2021-07-06 15:11:29 +08:00 |
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008d5e3fd2
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parser, core: Implement force_index hint in parser and TiDB (#23836)
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2021-07-01 17:39:26 +08:00 |
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3ad894da97
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planner/core: thoroughly push down count-distinct agg in the MPP mode. (#25662)
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2021-06-30 14:55:26 +08:00 |
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27489d43b4
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planner: Log warnings when agg function can not be pushdown in explain statement (#25553)
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2021-06-24 15:21:23 +08:00 |
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