mirror of
https://github.com/taosdata/TDengine
synced 2026-05-24 10:09:01 +00:00
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]).
|
||
|---|---|---|
| .. | ||
| cos.h | ||
| cos_cp.h | ||
| rsync.h | ||
| systable.h | ||
| taosdef.h | ||
| tcol.h | ||
| tcommon.h | ||
| tdata.h | ||
| tdatablock.h | ||
| tdataformat.h | ||
| tglobal.h | ||
| tgrant.h | ||
| tmisce.h | ||
| tmsg.h | ||
| tmsgcb.h | ||
| tmsgdef.h | ||
| tmsgtype.h | ||
| tname.h | ||
| trequest.h | ||
| trow.h | ||
| ttime.h | ||
| ttokendef.h | ||
| ttypes.h | ||
| tvariant.h | ||