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2a155f4eaf
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planner: use ExtraHandleColumn as PK when generating TablePath (#11959)
* use ExtraHandleColumn as PK
* fix fmt
* move unittest to explaintest
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2019-09-02 17:03:06 +08:00 |
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b239f2f04d
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planner: split avg to count and sum for TableReader cop task (#11926)
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2019-09-02 16:16:05 +08:00 |
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dc1f8ff031
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planner: don't prune sleep function in LogicalProjection (#11927)
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2019-08-30 16:35:06 +08:00 |
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fc739762c3
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executor: refine the usage of expression blacklist (#11940)
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2019-08-30 13:29:22 +08:00 |
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90f3148ba5
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planner: eliminate top level Sort in subquery (#11935)
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2019-08-30 11:01:48 +09:00 |
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39f83c1220
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planner: support predicate pushdown for Window (#11915)
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2019-08-29 14:23:36 +08:00 |
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c59933323a
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expression: fix constItem() and column-pruning in order by clause (#11839)
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2019-08-28 16:59:35 +08:00 |
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0ff5b50c15
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planner: remove unnecessary first_row() functions (#11723)
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2019-08-23 14:02:40 +08:00 |
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bd33771efa
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planner: fix incorrect table name in explain information (#11780)
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2019-08-20 10:32:18 +08:00 |
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69c0c3b1e8
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Planner: Avoid injecting redundant projection below LogicalJoin (#11662)
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2019-08-19 10:55:46 +08:00 |
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2009741d57
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planner: increase default concurrency factor of cost computing (#11752)
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2019-08-16 17:37:16 +08:00 |
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8a161721f1
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planner, expression: remove TblID2Handle from Schema (#11152)
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2019-08-16 13:02:16 +08:00 |
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103cbcd5c5
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planner: rewrite in as eq when the rhs list has only one item
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2019-08-16 11:07:59 +08:00 |
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e08e9391dd
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planner: "for update" should not work in a single autocommit statement (#11715)
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2019-08-13 19:30:27 +08:00 |
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4995fe741e
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planner/core: check the window func arg first before checking window specs (#11613)
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2019-08-10 16:22:45 +08:00 |
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fe038642e5
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*: refactor cost model formulas and constants (#10581)
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2019-08-07 17:44:09 +08:00 |
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a530f87db7
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planner: add aggregation hints TIDB_HASHAGG and TIDB_STREAMAGG (#11364)
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2019-08-07 10:51:34 +08:00 |
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829ba98907
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expression: remove the NotNullFlag for aggregation func MAX/MIN when inferring type (#11343)
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2019-08-05 17:41:40 +08:00 |
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03bb8d7818
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stats: convert small range to points in selectivity (#11524)
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2019-08-05 10:45:51 +08:00 |
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b17848b880
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stats: fix estimation for time equal conditions (#11511)
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2019-07-29 19:56:50 +08:00 |
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b97c0434db
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executor: show CARTESIAN Join explicitly in the results of Explain (#11415)
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2019-07-24 16:57:51 +08:00 |
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f8912049f5
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*:add opt_rule_blacklist in mysql tables. (#11096)
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2019-07-24 13:36:29 +08:00 |
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3a1ba358a4
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planner: fix bugs and make it more effective in outer join eli… (#11160)
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2019-07-23 13:13:05 +08:00 |
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3847ec8466
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planner: fix a corner case in column pruning rule (#10974)
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2019-07-01 12:52:55 +08:00 |
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0d984d8ffc
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executor: locks key in point get executor for pessimistic transaction (#10972)
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2019-06-28 14:06:43 +08:00 |
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c59028a2b5
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*: let baseFuncDesc.typeInfer return error instead of panic (#10910)
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2019-06-24 13:09:14 +08:00 |
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04cd877967
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session, sessionctx: add unit test for sessionctx, session (#10763)
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2019-06-18 15:09:13 +08:00 |
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fbf58fc9b5
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planner: fix wrong selectivity for inner selection in index join (#10633)
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2019-06-12 12:50:14 +08:00 |
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3760c63dab
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planner: propagate more possible props to enlarge search space (#10548)
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2019-06-10 17:48:53 +08:00 |
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b83e333871
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planner, cmd: correct the behavior of IndexJoin hint for SemiJoin (#10583)
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2019-05-23 23:25:18 -07:00 |
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9b74130e49
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cmd: add more explaintests for generated columns (#10373)
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2019-05-08 17:23:15 +08:00 |
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0106361cd9
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expression: let PushDownNot does not change the argument (#10363)
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2019-05-06 16:22:19 +08:00 |
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efe9b6ab2a
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planner/core: fix privilege check for update (#10281)
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2019-04-30 13:06:54 +08:00 |
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9d74d6404f
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planner, executor: index join enhancement (#8471)
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2019-04-29 11:07:15 +08:00 |
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f9c82b531c
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plan: improve row count estimation using column order correlation (#9839)
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2019-04-24 16:19:21 +08:00 |
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7666f688b3
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*: add stats version in slow_query and slow log. (#10082)
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2019-04-15 18:04:48 +08:00 |
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175bae45e1
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planer: tiny refine code to return as early as possible In convertToIndexScan and convertToTableScan. (#10058)
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2019-04-12 13:49:13 +08:00 |
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8800ec195a
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plan: push down constant filters over join properly (#9848)
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2019-04-04 15:50:32 +08:00 |
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51cb84f202
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planner: correct estimated row count for inner plan of index join (#10015)
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2019-04-04 14:40:14 +08:00 |
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6e3353b76f
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tidy goimports (#10021)
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2019-04-03 17:10:00 +08:00 |
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4c91f53e1f
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planner: do not eliminate group_concat in aggregate elimination (#9967)
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2019-04-01 12:21:19 +08:00 |
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b78490e403
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*: use the unified log format for the remaining packages (#9743)
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2019-03-22 16:34:47 +08:00 |
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e829920934
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planner: fix plus prefix for select constant (#9707)
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2019-03-21 10:51:59 +08:00 |
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0b28f30cfd
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planner: improve row count estimation for index range containing correlated columns (#9738)
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2019-03-19 15:38:59 +08:00 |
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4454461609
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planner: fix point get with PK and UK (#9737)
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2019-03-15 12:54:29 +08:00 |
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7f27f7daba
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planner, executor: set new child after injecting Project operator (#9684)
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2019-03-13 14:19:32 +08:00 |
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0bec639074
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planner: correct ExpectedCnt for children plans of join (#9497)
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2019-03-11 15:08:02 +08:00 |
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85c4553c4e
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planner: chose outer table based on cost when both tables are specified in TIDB_INLJ (#9579)
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2019-03-08 13:25:44 +08:00 |
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2b646cb58b
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planner, executor: handle default frame for window functions (#9544)
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2019-03-06 19:37:30 +08:00 |
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0267a7fbdf
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ddl: validate fsp for datetime/timestamp if they are used as defaultvalue of datetime/timestamp columns (#9327)
|
2019-03-04 11:19:11 +08:00 |
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