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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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9ca449b8bd
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planner: enforce projection push down (#25450)
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2021-06-22 23:55:22 +08:00 |
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cea06b3d49
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planner: fix wrong aggregate pruning for some cases (#25289)
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2021-06-16 14:12:37 +08:00 |
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1f0245a821
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planner: Revert tidb_allow_mpp modification for downgrade compatibility and add warnings for enforce mpp. (#25302)
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2021-06-11 10:28:35 +08:00 |
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8bf35daf1a
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planner: disable mpp_outer_join_fixed_build_side by default (#25240)
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2021-06-09 12:44:28 +08:00 |
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cad482c036
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planner/core: remove the union branch with dual table. (#25218)
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2021-06-08 19:46:28 +08:00 |
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a7f3c4d8bd
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planner/core: change agg cost factor (#25210)
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2021-06-08 15:44:28 +08:00 |
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11716e7f4a
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*: use full sampling as default analyze (#25132)
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2021-06-06 00:34:27 +08:00 |
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be63681161
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expression: processing empty string for enum index correctly (#25101)
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2021-06-04 17:28:28 +08:00 |
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64b469623c
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planner/core: support limit push down (#24757)
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2021-06-04 16:56:28 +08:00 |
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2e083b40e5
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statistics: support indexes containing virtual column for full sampling (#24999)
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2021-06-04 16:18:28 +08:00 |
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b07942836f
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planner: fix a panic caused by sinking a Limit with inlined Proj into IndexLookUp when accessing a partition table (#25063)
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2021-06-04 13:54:27 +08:00 |
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c59b3bcea6
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planner: Mpp outer join build side (#25130)
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2021-06-04 12:44:27 +08:00 |
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d3de5479a0
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planner: support push down broadcast cartesian join to TiFlash (#25049)
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2021-06-03 17:38:27 +08:00 |
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ad7102cdee
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planner: generate correct number of rows when all agg funcs are pruned (#24937)
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2021-06-02 18:20:26 +08:00 |
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f79dc8b218
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executor: pessimistic lock on the temporary table should not be written to TiKV (#24737)
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2021-05-26 12:41:34 +08:00 |
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163eb5f03c
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planner: Implement PointGet in TryFastPlan for range/list paritition table (#24588)
* implement PointGet in TryFastPlan for range/list partition
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2021-05-22 01:23:53 +08:00 |
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5be8a65633
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expression: support cast real/int as real (#24670)
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2021-05-20 18:00:22 +08:00 |
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e7db533810
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planner: ignore lock for temporary table of PointGet and BatchPointGet (#24540)
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2021-05-12 19:49:40 +08:00 |
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f135c534a5
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plan: merge continuous selections and delete surely true expressions (#24214)
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2021-05-10 23:25:37 +08:00 |
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0859a3c029
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planner: refactor Converting Partition Keys for shuffle hash join (#24456)
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2021-05-08 17:40:41 +08:00 |
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a6ec081b82
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planner: fix column pruning bug for Apply and Join (#24369)
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2021-05-06 21:15:52 +08:00 |
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a57dc3ab65
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planner: prune partitions that will never be used (#24376)
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2021-05-06 19:59:52 +08:00 |
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1cd3788334
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planner: convert Sequence as DataSource to TableDual (#24405)
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2021-05-06 13:35:52 +08:00 |
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207ce344cb
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planner: remove useless predicates after partition pruning (#24282)
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2021-05-02 23:21:51 +08:00 |
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257ce7d93d
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planner: filter conflict read_from_storage hints (#24313)
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2021-04-29 14:51:57 +08:00 |
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e79fa8c6b6
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planner: let CopTiFlashConcurrencyFactor inflence the cost of whole plan (#24157)
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2021-04-28 16:43:56 +08:00 |
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8da5a1f113
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planner, expression: support enum index scan (#22691)
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2021-04-28 15:59:56 +08:00 |
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ce13bc7400
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planner: between .. and on int column can be used to prune hash partition (#24245)
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2021-04-27 18:43:56 +08:00 |
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fb676b7697
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Revert "planner: donot prune all columns for Projection (#24024)" (#24180)
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2021-04-25 11:47:55 +08:00 |
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6f4d8a32eb
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planner: Fix Join reorder occurs "index out of range" error (#24102)
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2021-04-21 20:19:54 +08:00 |
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421571f49d
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planner, executor: fix index merge partial table scan schema (#23936)
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2021-04-19 16:29:52 +08:00 |
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05bb31b811
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planner/core: push down topn to mpp (#24081)
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2021-04-19 12:49:52 +08:00 |
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336f30575f
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planner: fix index merge row count estimation logic (#23137)
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2021-04-16 19:21:51 +08:00 |
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