Commit Graph

191 Commits

Author SHA1 Message Date
9aa756336e executor: avoid sum from avg overflow (#30010) 2021-12-03 11:09:55 +08:00
bba5fee1e6 executor: migrate test-infra to testify for executor/write_test.go (#29953) 2021-11-23 16:33:51 +08:00
e030ff1155 *: fix unstable test caused by TestRandomPanicAggConsume (#30035) 2021-11-23 14:05:50 +08:00
e448d93cb9 executor: migrate test-infra to testify for aggregate_test.go (#29903) 2021-11-20 12:25:48 +08:00
xhe
94e30df8e2 parser: fix compiling, add unit tests (#28700) 2021-10-11 23:15:25 +08:00
09ebd0d703 planner: fix wrong selection push down when having above agg (#27021) 2021-08-16 20:29:59 +08:00
7755d25aba *: Integrate SkyWalking-eyes to check license headers in CI and fix licenses headers (#27198) 2021-08-16 18:52:00 +08:00
0398c3f359 executor: add some simple tests to cover unparallel HashAgg (#26753) 2021-08-05 16:21:13 +08:00
2412437041 executor: support spill intermediate data for unparalleled hash agg (#25714) 2021-07-15 17:21:32 +08:00
8111d14c90 tests: make TestIssue20658 stable (#25092)
* tests: make TestIssue20658 stable
2021-06-03 18:15:35 +08:00
9865d51f79 planner: fix the ORDER BY column not match the GROUP BY clause (#24708) 2021-05-24 20:29:34 +08:00
db71d7fb83 test: record random seed in TestIssue20658 (#24782) 2021-05-20 21:54:21 +08:00
358c7975b1 test: fix unstable TestIssue20658 (#24425) 2021-05-07 18:50:41 +08:00
315c64456b executor: accelerate TestUpdateScanningHandles and TestIssue20658 and TestParallelStreamAggGroupConcat (#24132) 2021-04-20 10:31:52 +08:00
aee5819a20 *: change @@tidb_enable_clustered_index to ON/OFF/INT_ONLY (#23529) 2021-03-26 15:59:24 +08:00
6e00871551 excutor: fix the date precision of builtinCastDurationAsStringSig.vecEvalString #23314 #23286 (#23332) 2021-03-18 18:01:36 +08:00
f30108d88c executor, expression: fix the incorrect result of AVG function (#23285) 2021-03-17 13:42:55 +08:00
b298b86ba1 executor: group_concat aggr panic when session.group_concat_max_len is small (#23131) 2021-03-11 15:30:55 +08:00
83e70f74f0 executor: inject random panic to AggExec (#23139) 2021-03-09 16:38:55 +08:00
04e5137f48 *: use explain format = 'brief' for tests (#22677) 2021-02-22 17:50:06 +08:00
27db39b480 *: use CLUSTERED and NONCLUSTERED to control primary key type (#22409) 2021-02-05 20:41:41 +08:00
28c9e9290b *: gocritic fixes for commentFormatting (#21578) 2020-12-09 12:03:17 +08:00
61f076e14f executor: fix test problems in TestIssue20658 (#21442) 2020-12-03 11:45:17 +08:00
c94e0df372 executor: fix test problems in TestIssue20658 (#21405)
Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com>
2020-12-01 13:06:22 +08:00
1c8fb2bd2d executor: fix test problems in TestIssue20658 (#21371) 2020-11-30 15:27:59 +08:00
ceefbf1591 executor: Add the HashAggExec runtime information (#20577) 2020-11-25 21:56:52 +08:00
f9cd7ed69d planner, executor: parallelize stream aggregation with shuffle. (#21095) 2020-11-25 15:37:51 +08:00
dy
a3facd0f71 expression, planner: fix decimal results for aggregate functions (#20017) 2020-11-11 14:46:22 +08:00
205c40186a *: support aggregate function stddev_samp() and var_samp() (#19810)
Co-authored-by: Zhuomin(Charming) Liu <lzmhhh123@gmail.com>
Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com>
2020-09-16 17:44:41 +08:00
71d7262067 expression: Support distinct in select stddev_pop() (#19680) 2020-09-10 14:43:51 +08:00
49af6a511f expression: Support stddev_pop function (#19195)
* add stddev_pop function

* fix for make check

* not push down

* add util test

* stddevpop inherit from varpop

* fix typo

* support std and stddev

* update go.mod

* uodate parser master

* fix ditto

* fix fix

Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com>
2020-08-27 19:42:53 +08:00
dd24cbd1ac update tidb for stdddev_pop (#19384) 2020-08-24 12:41:04 +08:00
0448a54875 types: fix wrong hash key for decimal (#19131)
* types: fix wrong hash key for decimal

* fix bug

* fix & add test

* address comments and add test

* add test

Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com>
2020-08-13 19:29:17 +08:00
ace80c7411 planner: apply min-max eliminator on common handle columns (#18589)
* planner: apply min-max eliminator on common handle columns

* reuse AccessPath.IsTablePath()

* planner: apply min-max eliminator on common handle columns

* address comments

* address comment

Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com>
2020-07-17 18:01:47 +08:00
2627ca2116 executor: fix sum & avg on year type (#18318)
Signed-off-by: niedhui <niedhui@gmail.com>
2020-07-02 11:51:24 +08:00
c98514e751 executor: unify executor concurrency (#16999) 2020-06-22 17:39:32 +08:00
978370f7cb executor: add new agg function APPROX_COUNT_DISTINCT (#17175) 2020-06-18 22:00:14 +08:00
b248783dfe planner: fix wrong agg function when agg push down union (#17022) 2020-05-20 21:50:15 +08:00
7ebcc20398 executor: support GROUP_CONCAT(ORDER BY) (#16591) 2020-05-06 18:41:22 +08:00
72f4576742 executor, types: set correct collate in newValueExpr (#16323) 2020-04-15 17:38:59 +08:00
4eb9ca3d3f planner: push aggregation functions with distinct to cop (#15500) 2020-04-01 20:49:14 +08:00
0d10f91539 executor: check for null values when comparing different groups during streamAgg (#15742) 2020-03-27 16:42:14 +08:00
34ff2b9a1d executor: use deep copy for maxMin4JSON (#15242) 2020-03-11 17:35:32 +08:00
caf18df25f planner: fix redundant brackets cause full group by check failed (#14955) 2020-02-28 17:10:38 +08:00
74bc00dfa9 Improve the performance of WindowExec by using multi-thread hash grouping (#14238) 2020-01-16 21:04:16 +08:00
86ff21b076 *: add builtin aggregate function VAR_POP (#14101) 2020-01-07 20:55:29 +08:00
9b7b2c0d50 planner/core: fix bug when using generated column in aggregate statement (#14111) 2019-12-18 14:46:47 +08:00
e979cff6bb planner: add column mapping in explain result (#13640) 2019-11-27 16:39:19 +08:00
f98a1077c1 executor: refine the check of onlyFullGroupBy when groupByItem is parenthesesExpr or UnaryPlusExpr (#13655) 2019-11-21 12:39:07 +08:00
889ad618cf planner: projection don't new unnecessary column (#13406) 2019-11-20 13:58:38 +08:00