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61 Commits

Author SHA1 Message Date
xsren 7094a8ddcf fix: bytes of repeat and timezone 2024-10-23 13:51:46 +08:00
Shengliang Guan 3003e7286e feat: data analysis 2024-10-15 10:00:38 +08:00
Shengliang Guan 9f05ca5ee8 revert: data analysis 2024-10-14 23:27:11 +08:00
Shengliang Guan 4dc0c2f47e feat: data analysis 2024-10-09 17:09:43 +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
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
wangjiaming0909 f6200dd923 support long ctb names 2024-04-16 14:25:34 +08:00
dapan1121 85cca872a5 enh: support timetruncate function 2024-02-29 17:52:53 +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
wangjiaming0909 f299a28109 feat: support to_timestamp/to_char 2023-10-23 19:36:03 +08:00
dapan1121 ce2635074d enh: add uid/vgid functions 2023-06-26 11:48:47 +08:00
dapan1121 c485718d32 feat: add more case when cases 2022-10-12 11:46:49 +08:00
Xiaoyu Wang b08a28d559 fix: some problems of planner 2022-07-30 13:14:44 +08:00
Ganlin Zhao 5b12fcb3a1 feat(query): add selective function scalar version 2022-07-18 15:23:28 +08:00
Ganlin Zhao 75371098a6 refactor 2022-07-18 15:14:20 +08:00
Ganlin Zhao a4d86275d2 feat(query): add first/last/last_row scalar version 2022-07-18 15:06:21 +08:00
Ganlin Zhao a80027736d feat(query): add top/bottom function scalar version 2022-07-18 14:47:53 +08:00
Ganlin Zhao e37bdbd5c9 feat(query): add histogram function scalar version 
TD-17344
 2022-07-18 13:37:18 +08:00
Ganlin Zhao 107cb15dbd feat(query): add stateduration function scalar version 2022-07-17 22:52:40 +08:00
Ganlin Zhao 3bcd669fcd feat(query): add statecount function scalar version 2022-07-16 16:46:03 +08:00
Ganlin Zhao 790cecf123 feat(query): add diff function scalar version 2022-07-16 15:04:45 +08:00
Ganlin Zhao 2d1428eadd feat(query): add csum function scalar version 
TD-17344
 2022-07-16 14:13:45 +08:00
Ganlin Zhao a57d2417c3 feat(query): add hyperloglog scalar version 
TD-17344
 2022-07-16 14:01:49 +08:00
Ganlin Zhao 59839f0d0a feat(query): add mavg scalar version 2022-07-16 13:41:42 +08:00
Ganlin Zhao 8caa4bcad0 feat(query): add twa function scalar version 2022-07-16 13:34:24 +08:00
Ganlin Zhao 566ab93f83 add derivative scalar version 2022-07-16 11:37:05 +08:00
Ganlin Zhao 598c57e059 feat(query): add irate function scalar version 
TD-17344
 2022-07-16 11:26:04 +08:00
Ganlin Zhao cbd2d8f8a2 fix(query): add spread function scalar version 
TD-17344
 2022-07-15 17:54:45 +08:00
Ganlin Zhao 9e49a0012d feat(query): add percentile/apercentile scalar version 
TD-17344
 2022-07-15 15:52:32 +08:00
Ganlin Zhao b8a4878b00 fix(query): add leastsquares function scalar version 2022-07-15 14:34:40 +08:00
Ganlin Zhao 7e661a9e9c feat(query): add avg function scalar version 
TD-17344
 2022-07-14 20:02:21 +08:00
Ganlin Zhao b87eb0abb3 feat(query): add stddev function scalar version 
TD-17344
 2022-07-14 17:39:03 +08:00
Ganlin Zhao 0cb911c0b4 Merge branch '3.0' into feat/agg_client_api 2022-07-14 11:40:53 +08:00
Ganlin Zhao 3f31c464f0 feat(query): add max function scalar version 
TD-17344
 2022-07-14 10:58:45 +08:00
Ganlin Zhao 8b1e56389c feat(query): add min function scalar version 
TD-17344
 2022-07-14 10:26:00 +08:00
Ganlin Zhao 80f175bdbe feat(query): add count function scalar version 
TD-17344
 2022-07-13 19:46:56 +08:00
Ganlin Zhao dd8f235e97 feat(query): add count function scalar version 
TD-17344
 2022-07-13 17:47:56 +08:00
dapan1121 8c83f07fe4 fix: fix natural timestamp issue 2022-07-13 16:43:50 +08:00
dapan1121 6cd21fe04b enh: enhance in operator 2022-07-10 16:52:11 +08:00
Xiaoyu Wang df06d22cb3 fix: some problem of parser and planner 2022-07-08 17:35:11 +08:00
Xiaoyu Wang 988cffcce6 fix: some problems of parser and planner 2022-07-02 18:19:10 +08:00
Haojun Liao e4f0a0fc67 fix(query): enable table name query for super table. 2022-05-05 23:47:44 +08:00
wangmm0220 49c3057221 refactor: merge from 3.0 2022-04-18 21:15:57 +08:00
wangmm0220 24f805c5c2 refactor: add to_json function 2022-04-18 15:54:40 +08:00
Ganlin Zhao e655a3cc1d feat(query): support timezone() function 
TD-14243
 2022-04-15 13:15:29 +08:00
Ganlin Zhao ca3ce404af feat(query): support now()/today() function in select clause 
TD-14243
 2022-04-14 21:38:33 +08:00
Ganlin Zhao 9a09f15de8 feat(query): add timediff function 
TD-14243
 2022-04-13 16:57:58 +08:00
Ganlin Zhao 61b39204b5 feat(query): add timetruncate function 
TD-14243
 2022-04-13 14:14:46 +08:00
Ganlin Zhao c0b3607756 feat(query): add to_unixtimestamp function 
TD-14243
 2022-04-13 11:41:02 +08:00
Ganlin Zhao ef4d75f463 feat(query): add to_iso8601 function 
TD-14243
 2022-04-12 20:02:33 +08:00