提交 81f4d25a 编写于 作者: Y Yu Chen 提交者: gccgdb1234

docs/Update-07-function.md

上级 5b04755a
......@@ -1839,6 +1839,8 @@ SELECT TIMEDIFF(ts_val1 | datetime_string1 | ts_col1, ts_val2 | datetime_string2
1u(microsecond),1a(millisecond),1s(second),1m(minute),1h(hour),1d(day).
- The precision of the returned timestamp is same as the precision set for the current data base in use
**Applicable versions**:Since version 2.6.0.0
**Examples**:
```sql
......
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