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Author SHA1 Message Date
sima a54019211f feat:[TS-4893] Support MYSQL functions. 
Add more functions:
 - Numeric Functions: PI(),ROUND(),TRUNC(),EXP(),LN(),SIGN(),DEGREES(),RADIANS().
 - String Functions: CHAR(),ASCII(),POSITION(),TRIM(),REPLACE(),REPEAT().
 - Date and Time Functions: WEEKDAY(),DAYOFWEEK(),WEEK(),WEEKOFYEAR().
 - Aggregate Functions: VAR_POP().
Modify some functions:
 - ROUND(): support round to given decimal places.
 - CHAR_LENGTH(): support calculate multi-byte character's length.
 - TIMEDIFF(): result will be negative when expr1 < expr2.
 - STDDEV(): add alias name STDDEV_POP().
 - SUBSTR(): add alias name SUBSTRING().
             support new syntax SUBSTRING/SUBSTR(expr FROM pos [FOR len]).
 2024-08-14 09:19:25 +08:00
Shengliang Guan 8e81abe224 enh: get vardata len from udf api 2024-08-08 19:18:50 +08:00
Shengliang Guan d55a0c7100 enh: enable log in udf 2024-08-08 16:18:18 +08:00
xsren 911e6380b9 return value: udf 2024-07-27 18:33:08 +08:00
Hongze Cheng eaa3634764 enh: refactor error code 2024-07-25 08:51:19 +08:00
sima 1285100f68 enh:[TD-31043] Handling return value in functionMgt.c 2024-07-23 15:37:17 +08:00
sima 6a9441528a enh:[TD-31043] Handling return value in builtinsimpl.c 2024-07-23 15:37:17 +08:00
xsren 2a675ccf6b group const value func 2024-07-22 11:19:11 +08:00
xsren ebe0074da4 fix: interp crash 2024-07-22 00:06:47 +08:00
54liuyao 113cb57326 adj stream operator result 2024-07-17 19:35:35 +08:00
dapan1121 e4c624f286
Merge pull request #26489 from taosdata/fix/3.0/TD-30819 
feat:[TD-30819] Reduce memory usage when use percentile with interval.
 2024-07-11 13:35:39 +08:00
sima f17c535ca0 feat:[TD-30819] Reduce memory usage when using percentile with interval. 2024-07-10 19:43:19 +08:00
factosea 5f0ac46029 diff 2024-07-04 11:04:59 +08:00
Haojun Liao 6898eba6ed fix(stream): expand stream tasks are divided into two phase, the first is to build stream task and then expand stream task before start stream tasks. 2024-05-14 14:34:31 +08:00
wangjiaming0909 f6200dd923 support long ctb names 2024-04-16 14:25:34 +08:00
wangjiaming0909 fa85d1caa7 support other tsma funcs 2024-04-16 14:23:25 +08:00
wangjiaming0909 cc9550f45e add tsma funcs 2024-04-16 14:20:59 +08:00
wangjiaming0909 895a4584e6 generate tsma plan 2024-04-16 14:14:39 +08:00
wangjiaming0909 4b6fb0ffc6 tsma optimization 2024-04-16 14:14:39 +08:00
wangjiaming0909 0fd66d7e8a tsma optimization 2024-04-16 14:14:39 +08:00
wangjiaming0909 ef47fd57d6 support tsma catalog cache 2024-04-16 14:14:34 +08:00
dapan1121 55d118d17c Merge remote-tracking branch 'origin/3.0' into feat/TD-27337 2024-04-16 09:12:04 +08:00
54liuyao 1d42e927c6 Merge branch '3.0' of https://github.com/taosdata/TDengine into feat/TS-4243-3.0 2024-04-11 15:35:42 +08:00
54liuyao e161556f51 set ts column index for function 2024-04-10 15:35:25 +08:00
dapan1121 8407eb3791 enh: outer join performance optimization 2024-04-09 09:48:38 +08:00
slzhou b504627830 fix: new group block to reset func input iter hasPrev 2024-03-29 17:01:56 +08:00
slzhou a5ba546bd4 fix: add pk to funcInputGetNextRow 2024-03-25 15:12:34 +08:00
slzhou 4d3eb6824c feat: add pk support for last/first/last_row dynDataRequired 2024-03-25 13:38:34 +08:00
shenglian zhou cee96e2048 feat: begin coding function 2024-03-19 13:57:12 +08:00
wangmm0220 a8e45440c0 fix:conflicts from 3.0 2024-02-18 18:02:14 +08:00
Haojun Liao 0fe9c05c5f
Merge pull request #24704 from taosdata/fix/3_liaohj 
fix(stream): take ver snapshot for all vgroups
 2024-02-01 17:07:36 +08:00
Haojun Liao cb2ea4a721 fix(stream): take ver snapshot for all vgroups before launching stream with fill-history option opened. 2024-02-01 11:37:57 +08:00
wangmm0220 a9fcc67321 fix:conflicts from 3.0 2024-02-01 11:13:03 +08:00
factosea 5d731dc9a4 fix: use blank data flag 2024-01-30 17:34:06 +08:00
wangmm0220 7246fedfef Merge branch '3.0' of https://github.com/taosdata/TDengine into feat/ly_multi_marks 2024-01-18 19:08:35 +08:00
facetosea f010e18ff0 fix: LEASTSQUARES func result stack overflow 2024-01-17 18:28:00 +08:00
wangmm0220 2ab54a1335 fix:conflicts from 3.0 2024-01-15 16:54:52 +08:00
54liuyao 52d8811bdc code coverage 2024-01-12 13:49:32 +08:00
wangmm0220 eac86f72b3 fix:partical func parameters for middle interval[checkStreamSTable1.sim] 2023-12-22 18:30:22 +08:00
Alex Duan 1fa6cb8f69 coverage: isRowEntryCompleted had been called 5200w hits 2023-12-21 15:10:21 +08:00
yihaoDeng a82856dff7 fix mem leak 2023-12-05 20:28:12 +08:00
liuyao 467c27c758 recover flush mark 2023-11-07 15:45:38 +08:00
wangjiaming0909 f299a28109 feat: support to_timestamp/to_char 2023-10-23 19:36:03 +08:00
wangjiaming0909 1e53e6cfeb optimize count()/last() + partition by tbname/tag 2023-09-19 14:56:02 +08:00
dapan1121 2e7897239a fix: trim block and partition by constant function issue 2023-08-30 16:51:44 +08:00
Haojun Liao 88f6596965
Merge pull request #22464 from taosdata/feat/TD-18789 
feat:support varbinary type
 2023-08-28 09:45:57 +08:00
dapan1121 3045a623e1 Merge remote-tracking branch 'origin/3.0' into feat/TD-24700 2023-08-17 14:16:05 +08:00
wangmm0220 dbc1b35d44 feat:support varbinary type 2023-08-16 19:57:01 +08:00
Ganlin Zhao 01a7dfbc34 feat: add irate distributed execution 2023-08-15 12:59:30 +08:00
dapan1121 c85bbef2e9 Merge remote-tracking branch 'origin/3.0' into feat/TD-24700 2023-07-05 11:13:57 +08:00