month_floor
description
Syntax
DATETIME MONTH_FLOOR(DATETIME datetime)
DATETIME MONTH_FLOOR(DATETIME datetime, DATETIME origin)
DATETIME MONTH_FLOOR(DATETIME datetime, INT period)
DATETIME MONTH_FLOOR(DATETIME datetime, INT period, DATETIME origin)Convert the date to the nearest rounding down time of the specified time interval period.
- datetime: a valid date expression.
- period: specifies how many months each cycle consists of.
- origin: starting from 0001-01-01T00:00:00.
example
mysql> select month_floor("2023-07-13 22:28:18", 5);
+--------------------------------------------------------------+
| month_floor(cast('2023-07-13 22:28:18' as DATETIMEV2(0)), 5) |
+--------------------------------------------------------------+
| 2023-05-01 00:00:00 |
+--------------------------------------------------------------+
1 row in set (0.12 sec)keywords
MONTH_FLOOR, MONTH, FLOORBest Practice
See also date_floor