Commit Graph

58 Commits

Author SHA1 Message Date
9aa756336e executor: avoid sum from avg overflow (#30010) 2021-12-03 11:09:55 +08:00
xhe
94e30df8e2 parser: fix compiling, add unit tests (#28700) 2021-10-11 23:15:25 +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
853c41e3fb executor: add builtin aggregate function json_arrayagg (#19957) 2021-08-04 16:15:07 +08:00
c8bc701170 *: misc cleanups to variable package (#24507) 2021-05-11 13:23:38 +08:00
04c334ba56 executor: Improve max/min window function with deque-based sliding window (#22628) 2021-04-14 13:11:52 +08:00
c32895f667 expression: fix approx_percent panic on bit column (#23687) 2021-03-30 20:17:24 +08:00
8ddd41c960 executor: fix typo (#22385) 2021-01-18 16:15:28 +08:00
6e1c2ac8a2 executor: fix LEAD and LAG's default value can not adapt to field type (#20747) 2020-12-11 14:55:22 +08:00
dy
a3facd0f71 expression, planner: fix decimal results for aggregate functions (#20017) 2020-11-11 14:46:22 +08:00
aceecf0732 executor: support new aggregate funtion APPROX_PERCENTILE (#19799)
Signed-off-by: leiysky <leiysky@outlook.com>
2020-09-24 15:59:38 +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
4a638269dd executor: support memory trace for value functions (#19811) 2020-09-09 18:15:10 +08:00
b6b9b8a6df exector, planner: Improve the performance of the aggFuncMaxMin by using sliding window (#16819)
* temp

* temp

* unit test

* executor: Improve the performance of `aggFuncMin` by using sliding window

* executor: Improve the performance of `aggFuncMin` by using sliding window

* executor: Improve the performance of `aggFuncMin` by using sliding window

add ut

* fix: ResetPartialResult

* add maxMin4Time.Slide and maxMin4Duration.Slide

* add benchmark

* add var `dirty`

* add a comment

* fix Decimal

* newMyDecimalMaxMinQueue

* newMyDecimalMaxMinQueue

* newMyDecimalMaxMinQueue

* newMyDecimalMaxMinQueue

* newMyDecimalMaxMinQueue

* implementing the maxMinQueue using heap

* fix import check

* fix import check

* fix check

* remove PushMyDecimal

* refactor maxMinHeap

* 尝试优化heap

* 尝试优化heap

* fix benchmark

* fix:*

* solved pr comments

* solved pr comments

* fix

* fix

* fix

* 先回家

* maxMin4IntSliding

* fix import

* fix

* new builder

* fix ut

* fix

* fix

* fix ut

* fix ut

* fix fmt

* add benchmark

* fix

* fix

* lazyload

* lazyload

* fix frame

* fix check_dev

* add a unit test

* sliding aggFunc

* sliding aggFunc

* fix

* move ut

* fix dev_check

* fix dev_check

* resolved comments

* refactor ut

* refactor ut

* refactor ut

Co-authored-by: Yuanjia Zhang <zhangyuanjia@pingcap.com>
2020-09-09 14:31:41 +08:00
9047a9c881 executor: fix wrong behavior for max/min on ENUM/SET column (#19552)
Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com>
Co-authored-by: Yiding Cui <winoros@gmail.com>
2020-09-01 21:18:03 +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
978370f7cb executor: add new agg function APPROX_COUNT_DISTINCT (#17175) 2020-06-18 22:00:14 +08:00
7ebcc20398 executor: support GROUP_CONCAT(ORDER BY) (#16591) 2020-05-06 18:41:22 +08:00
25580ea5f4 *: Use a function to get the ONE, ZERO and NULL and fix the clone. (#16512) 2020-04-17 19:11:52 +08:00
a93e91fc57 executor: Improve the performance of aggFuncAvg by using sliding window (#15606) 2020-04-03 14:02:38 +08:00
5192c26150 executor: optimize count distinct with single column (#15323) 2020-03-31 15:04:12 +08:00
bbac2b2fe4 executor: Improve the performance of aggFuncSum by using sliding window (#14887) 2020-03-23 13:29:44 +08:00
0ddfe0716f *: fix datum's collation behavior to build correct logical ranges (#14963) 2020-03-05 22:34:46 +08:00
ebc6a2d39d *: add builtin aggregate function json_objectagg (#11154) 2020-02-04 21:41:55 +08:00
86ff21b076 *: add builtin aggregate function VAR_POP (#14101) 2020-01-07 20:55:29 +08:00
9bf17e6c9e executor: fix wrong behavior when ENUM column meet Aggregati… (#14035) 2020-01-07 11:26:26 +08:00
609b52998f executor: revert mostly changes in #11678 (#12481) 2019-10-16 21:22:49 +08:00
8d165f0fd2 executor: copy row data instead of refereeing chunk.Row in some window functions. (#11678) 2019-08-22 10:57:54 +08:00
e9653675dd *: remove errors.Trace in main handle path (#10033) 2019-04-04 14:27:15 +08:00
3a48d9c877 executor: add window function NTILE (#9682) 2019-03-15 16:01:56 +08:00
4422a23d9b executor: support window function lead and lag (#9672) 2019-03-14 14:40:51 +08:00
f5a4dd986a executor: add window function PERCENT_RANK (#9671) 2019-03-13 11:34:09 +08:00
6e8cd3c7dd executor: support window function nth_value (#9596) 2019-03-12 00:42:37 +08:00
f0aca29fff executor: support window function cume_dist (#9619) 2019-03-11 19:30:54 +08:00
247777d870 executor: support window function first_value and last_value (#9560) 2019-03-06 21:43:14 +08:00
9259785455 executor: support window function rank and dense_rank (#9500) 2019-02-28 14:44:08 +08:00
cc085693f1 executor: support window function row number (#9098) 2019-02-18 17:14:37 +08:00
32b1dbd8d5 *: rename "github.com/pkg/errors" to "github.com/pingcap/errors" (#8136)
We import "github.com/pkg/errors" in the code, and actually put
the "github.com/pingcap/errors" there in the vendor path.
That's a dirty hack, and prevent the introduce of Go module.
2018-11-01 16:09:07 +08:00
89dda9d9a8 *: move parser to a separate repository (#8036) 2018-10-25 11:12:10 +08:00
f6f03db6dd expression: fix warning/error info of group_concat() (#7799) 2018-10-11 17:01:47 +08:00
cb03f2bec1 move from juju/errors to pkg/errors (#7151) 2018-09-12 15:42:20 +08:00
f98ef22ded expression, executor: add a new interface MergePartialResult for the new aggregation framework (#7281) 2018-08-13 14:54:06 +08:00
d5c5115220 executor: fix firstrow/max/min(bit col) error (#7206) 2018-08-01 12:59:40 +08:00
0ca4cc6dc8 executor, util: wrap cast upon the args for AggFunction (#7180) 2018-07-31 17:51:44 +08:00
06021c7cfe remove types.Row interface (#7170) 2018-07-27 13:45:03 +08:00
e3ba021f5a *: make system variable 'group_concat_max_len' work (#7080) 2018-07-26 20:02:56 +08:00
1562f25787 add sum_decimal method for aggfunc (#7096) 2018-07-26 13:24:57 +08:00
6b13c4309c executor: support firstrow under new aggregation evaluation framework (#7057) 2018-07-18 09:37:09 +08:00
b29d52ba9c executor: support group_concat under new aggregation evaluation framework (#7032) 2018-07-17 20:22:13 +08:00