ed070c496a
planner: don't regenarate the same group by column when decorrelation ( #12943 )
2019-10-31 17:02:13 +08:00
6fd74f3e4c
planner: support cost model for tiflash table scan ( #12868 )
2019-10-29 16:05:51 +08:00
36f0f37b40
expression, planner: remove some fields from `expression.Colum… ( #12573 )
2019-10-29 15:48:26 +08:00
e1ba309148
executor: make IndexHashJoin support keeping the outer order ( #12349 )
2019-10-17 14:48:24 +08:00
ae811b91c9
planner: fix constant propagation for AntiSemiJoin ( #12728 )
2019-10-17 11:03:48 +08:00
63d1b1d0a3
planner: do not convert filter to range for table scan with tiflash ( #12682 )
2019-10-14 16:11:33 +08:00
45bc789a0f
planner: stream agg should not be pushed to double read ( #12443 )
...
For the following two reason, we should not push stream agg down to double read
- The aggregate will lost the handle information
- There's no sort operator. The second read is ordered with pk, not by index.
2019-10-12 19:22:04 +08:00
7ffa4500e6
planner: support a hint to read from tiflash in planner ( #12479 )
2019-10-11 16:36:35 +08:00
003a7dfb67
planner: fix bug the inner child can't keep order in index join ( #12614 )
2019-10-11 14:44:33 +08:00
1342cba5fe
planner: set windowClause only in WindowFuncExpr ( #11956 )
...
* fix window
* tweak
* move test
* use filelist
* add explain test
* fix test
* fix
* fix
* fix test
2019-09-25 16:00:17 +08:00
1fe9773726
planner: introduce an individual physical plan for indexNestedLoopHashJoin ( #12139 )
2019-09-24 21:18:45 +08:00
8179558274
planner, executor: push limit down into IndexLookUpReader executor ( #12262 )
2019-09-24 14:16:16 +08:00
e086686ede
*: tidy code,make code more go style. ( #12300 )
2019-09-23 21:24:10 +08:00
3eaa4d3012
planner: tiny code refine for contructIndexJoin ( #12254 )
2019-09-23 11:58:45 +08:00
8261a41223
planner: make every plan explainable ( #12183 )
2019-09-18 22:49:07 +08:00
da6a7bdcab
planner: explain a physicalPlan with IndexMerge in "dot" format ( #12248 )
2019-09-18 16:06:15 +08:00
96d4b1fe3c
planner: display cop tasks when explain format is "dot" ( #12225 )
2019-09-18 14:19:45 +08:00
e2b1f7eff8
expression: change the String() method of expression.Column ( #12089 )
2019-09-16 14:30:22 +08:00
65edb2d83d
planner: generate physical plan for IndexMergePath ( #11245 )
2019-09-12 14:06:45 +08:00
836d5f7b58
planner/core: support generate hints from physical plan ( #11936 )
2019-09-11 17:53:29 +08:00
f2adf1df53
planner: improve row count estimation of IndexJoin's inner scan ( #12085 )
2019-09-11 17:10:46 +08:00
2307338ae7
planner: generate index path as candidate when it is a single scan ( #12022 )
2019-09-09 19:13:41 +08:00
bb5bfa4bd7
planner: consider agg func type in cost model ( #12038 )
2019-09-09 17:44:41 +08:00
e0b8267d95
planner: use *expression.Column instead of *IndexColumn ( #11894 )
2019-09-05 15:24:33 +08:00
845061351d
planner: support index_lookup_merge_join in physical plan. ( #11338 )
2019-09-04 13:46:05 +08:00
7372dcd6d2
Planner:eliminate redundant projection ( #11920 )
2019-09-02 20:16:35 +08:00
2a155f4eaf
planner: use ExtraHandleColumn as PK when generating TablePath ( #11959 )
...
* use ExtraHandleColumn as PK
* fix fmt
* move unittest to explaintest
2019-09-02 17:03:06 +08:00
b239f2f04d
planner: split avg to count and sum for TableReader cop task ( #11926 )
2019-09-02 16:16:05 +08:00
dc1f8ff031
planner: don't prune sleep function in LogicalProjection ( #11927 )
2019-08-30 16:35:06 +08:00
fc739762c3
executor: refine the usage of expression blacklist ( #11940 )
2019-08-30 13:29:22 +08:00
90f3148ba5
planner: eliminate top level Sort in subquery ( #11935 )
2019-08-30 11:01:48 +09:00
39f83c1220
planner: support predicate pushdown for Window ( #11915 )
2019-08-29 14:23:36 +08:00
c59933323a
expression: fix constItem() and column-pruning in order by clause ( #11839 )
2019-08-28 16:59:35 +08:00
cc04cd9e3c
planner: add index optimizer hint ( #11746 )
2019-08-23 18:27:46 +08:00
0ff5b50c15
planner: remove unnecessary first_row() functions ( #11723 )
2019-08-23 14:02:40 +08:00
bd33771efa
planner: fix incorrect table name in explain information ( #11780 )
2019-08-20 10:32:18 +08:00
69c0c3b1e8
Planner: Avoid injecting redundant projection below LogicalJoin ( #11662 )
2019-08-19 10:55:46 +08:00
2009741d57
planner: increase default concurrency factor of cost computing ( #11752 )
2019-08-16 17:37:16 +08:00
8a161721f1
planner, expression: remove TblID2Handle from Schema ( #11152 )
2019-08-16 13:02:16 +08:00
103cbcd5c5
planner: rewrite in as eq when the rhs list has only one item
2019-08-16 11:07:59 +08:00
9f01c7b497
ddl: handle index key type in CreateIndex
2019-08-16 00:00:29 +08:00
e08e9391dd
planner: "for update" should not work in a single autocommit statement ( #11715 )
2019-08-13 19:30:27 +08:00
6d51ad33fd
*: Optimize struct memory usage by adjust field order ( #11629 )
2019-08-13 17:20:53 +08:00
4995fe741e
planner/core: check the window func arg first before checking window specs ( #11613 )
2019-08-10 16:22:45 +08:00
fe038642e5
*: refactor cost model formulas and constants ( #10581 )
2019-08-07 17:44:09 +08:00
a530f87db7
planner: add aggregation hints TIDB_HASHAGG and TIDB_STREAMAGG ( #11364 )
2019-08-07 10:51:34 +08:00
829ba98907
expression: remove the NotNullFlag for aggregation func MAX/MIN when inferring type ( #11343 )
2019-08-05 17:41:40 +08:00
03bb8d7818
stats: convert small range to points in selectivity ( #11524 )
2019-08-05 10:45:51 +08:00
b17848b880
stats: fix estimation for time equal conditions ( #11511 )
2019-07-29 19:56:50 +08:00
b97c0434db
executor: show CARTESIAN Join explicitly in the results of Explain ( #11415 )
2019-07-24 16:57:51 +08:00
