month¶
This function is used to return the month (from January to December) of a specified time.
Syntax¶
month(string date)
Parameters¶
Parameter | Mandatory | Type | Description |
|---|---|---|---|
date | Yes | DATE or STRING | Date that needs to be processed If the value is of the STRING type, the value must contain at least yyyy-mm-dd and cannot contain redundant strings. The following formats are supported:
|
Return Values¶
The return value is of the INT type.
Note
If the value of date is not of the DATE or STRING type, the error message "data type mismatch" is displayed.
If the value of date is of the DATE or STRING type but is not in one of the supported formats, NULL is returned.
If the value of date is NULL, NULL is returned.
Example Code¶
The value 8 is returned.
select month('2023-08-10 10:54:00');
The value NULL is returned.
select month('20230810');
The value NULL is returned.
select month(null);