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weeks_sub

Description​

Subtracts a specified number of weeks from a datetime or date value.

Syntax​

DATETIME weeks_sub(DATETIME expr1, INT expr2);

Parameters​

  • expr1: the original date. It must be of the DATETIME type.

  • expr2: the number of weeks. It must be of the INT type.

Return value​

Returns a DATETIME value.

NULL is returned if the date does not exist.

Examples​

select weeks_sub('2022-12-22',2);
+----------------------------+
| weeks_sub('2022-12-22', 2) |
+----------------------------+
|        2022-12-08 00:00:00 |
+----------------------------+