Commit Graph

136 Commits

Author SHA1 Message Date
Shengliang Guan 9f05ca5ee8 revert: data analysis 2024-10-14 23:27:11 +08:00
Jing Sima 6231d46cc5 enh:[TD-32189] Add validation to prevent changes to resultinfo structure. 2024-10-12 15:14:59 +08:00
Shengliang Guan 4dc0c2f47e feat: data analysis 2024-10-09 17:09:43 +08:00
Jing Sima 122b707ac8 enh:[TD-32158] Free memory allocated in function setup. 2024-09-24 11:35:36 +08:00
Jing Sima 64bb49e0db fix:[TS-5839] Fix crash when use last function on a column with all null value with partition subclause. 2024-09-11 13:49:06 +08:00
Jing Sima a249bef104 feat:[TS-4893] Add random and support use min/max on string column. 2024-09-09 18:48:24 +08:00
Jing Sima 02dd9c9160 fix:[TD-31818] fix memory leak allocated by mode function. 2024-09-03 17:34:23 +08:00
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
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 b72792e20e unuesd code 2024-07-22 08:48:26 +08:00
xsren ebe0074da4 fix: interp crash 2024-07-22 00:06:47 +08:00
factosea 5f0ac46029 diff 2024-07-04 11:04:59 +08:00
slzhou 5fe03fe3f4 feat: irate support pk 2024-03-26 09:18:45 +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
54liuyao 52d8811bdc code coverage 2024-01-12 13:49:32 +08:00
Ganlin Zhao 01a7dfbc34 feat: add irate distributed execution 2023-08-15 12:59:30 +08:00
54liuyao ffa59f69aa fix:add combine function for groupKey 2023-03-23 15:20:45 +08:00
Ganlin Zhao d5c92d3788 fix saveTuplePos 2023-01-04 16:59:55 +08:00
Liu Jicong 7721353b6b enh: put func state into tdb 2022-12-29 12:39:07 +08:00
Alex Duan a4e0bbd34f fix(query): fixed avg function sum over range 2022-12-14 20:30:18 +08:00
Haojun Liao e5e817ae55 other: merge 3.0 2022-11-24 17:24:24 +08:00
Haojun Liao ea83ae239e refactor: do some internal refactor. 2022-11-10 18:58:10 +08:00
Haojun Liao 9f5cf450de refactor: do some internal refactor. 2022-11-10 15:37:18 +08:00
Ganlin Zhao 28689c508a remove unused code 2022-10-25 16:45:00 +08:00
Alex Duan 85ec70d099 fix(query): improve performance for first function x10 quickly1 2022-10-18 17:26:51 +08:00
Hongze Cheng c4b3da5032 more code format 2022-10-13 14:15:42 +08:00
Haojun Liao 78bbfcb4bc refactor: do some internal refactor and opt query performance. 2022-07-29 09:56:03 +08:00
Haojun Liao 3f11c849cd refactor: do some internal refactor. 2022-07-15 17:34:54 +08:00
Haojun Liao 707f0a837a fix(query): set correct fill output object. 2022-07-14 20:11:29 +08:00
Ganlin Zhao b9795fab95 fix(query): histogram function interval query for super table
missed some child table records.

TD-17021
2022-07-11 19:49:48 +08:00
Hongze Cheng ddb198de23 Merge branch '3.0' of https://github.com/taosdata/TDengine into feat/tsdb_refact 2022-07-04 03:42:50 +00:00
Ganlin Zhao 860bf88f31 feat(query): add last_row function without cache
TD-16927
2022-06-30 17:20:04 +08:00
Haojun Liao 5efd5a3b6d fix(query):adjust api for retrieve lastrow in executor. 2022-06-28 23:24:20 +08:00
Ganlin Zhao 515109088f feat(query): support mode function 2022-06-27 15:08:13 +08:00
Ganlin Zhao 5c3fae340e add NULL logic for _group_key 2022-06-24 20:26:46 +08:00
Ganlin Zhao f8bb36ce2c enh(query): add _group_key function for partion by
TD-16805
2022-06-24 20:08:07 +08:00
Ganlin Zhao d2059e8079 feat(query): add irate function 2022-06-22 14:42:05 +08:00
Haojun Liao 659e429b87 feature(query): support show table block distribution. 2022-06-20 12:54:46 +08:00
Haojun Liao 771065952e other: merge 3.0 2022-06-15 16:32:28 +08:00
Ganlin Zhao 7ed7fd0fd6 enable stddev splitting 2022-06-14 17:00:32 +08:00
Ganlin Zhao cd94eabc73 add stddev function translate partial/merge 2022-06-14 16:42:05 +08:00
Ganlin Zhao e82289542d avg function add partial/merge 2022-06-14 15:15:37 +08:00
Ganlin Zhao 4113472e89 add avg function translate partial/merge 2022-06-14 15:00:28 +08:00
Ganlin Zhao 589b30422f add last function splitting 2022-06-14 10:51:00 +08:00
Ganlin Zhao 45ef3db78a add first function partial/merge 2022-06-13 20:53:42 +08:00
Haojun Liao 4b9139c793
Merge branch '3.0' into feature/3_liaohj 2022-06-13 19:35:27 +08:00
Haojun Liao 49fd380a69 enh(query): add derivative function. 2022-06-13 19:22:28 +08:00
Ganlin Zhao 6d95262688 enh(query): add first/last function distributed implementation 2022-06-13 19:11:28 +08:00