second_floor

description

Syntax

  1. DATETIME SECOND_FLOOR(DATETIME datetime)
  2. DATETIME SECOND_FLOOR(DATETIME datetime, DATETIME origin)
  3. DATETIME SECOND_FLOOR(DATETIME datetime, INT period)
  4. DATETIME SECOND_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 seconds each cycle consists of.
  • origin: starting from 0001-01-01T00:00:00.

example

  1. mysql> select second_floor("2023-07-13 22:28:18", 5);
  2. +---------------------------------------------------------------+
  3. | second_floor(cast('2023-07-13 22:28:18' as DATETIMEV2(0)), 5) |
  4. +---------------------------------------------------------------+
  5. | 2023-07-13 22:28:15 |
  6. +---------------------------------------------------------------+
  7. 1 row in set (0.10 sec)

keywords

  1. SECOND_FLOOR, SECOND, FLOOR

Best Practice

See also date_floor