from_unixtime

description

syntax

DATETIME FROM UNIXTIME (INT unix timestamp [, VARCHAR string format]

Convert the UNIX timestamp to the corresponding time format of bits, and the format returned is specified by string_format

Input is an integer and return is a string type

Currently, string_format supports following formats：

  1. %Y: Year.     eg. 2014，1900
  2. %m: Month.     eg. 12，09
  3. %d: Day.    eg. 11，01
  4. %H: Hour.   eg. 23，01，12
  5. %i: Minute. eg. 05，11
  6. %s: Second. eg. 59，01

Default is %Y-%m-%d %H:%i:%s

Other string_format is illegal and will returns NULL.

example

  1. mysql> select from_unixtime(1196440219);
  2. +---------------------------+
  3. | from_unixtime(1196440219) |
  4. +---------------------------+
  5. | 2007-12-01 00:30:19       |
  6. +---------------------------+
  8. mysql> select from_unixtime(1196440219, '%Y-%m-%d');
  9. +-----------------------------------------+
  10. | from_unixtime(1196440219, '%Y-%m-%d')   |
  11. +-----------------------------------------+
  12. | 2007-12-01                              |
  13. +-----------------------------------------+
  15. mysql> select from_unixtime(1196440219, '%Y-%m-%d %H:%i:%s');
  16. +--------------------------------------------------+
  17. |From unixtime (1196440219,'%Y-%m-%d %H:%i:%s')    |
  18. +--------------------------------------------------+
  19. | 2007-12-01 00:30:19                              |
  20. +--------------------------------------------------+
  22. ## keyword
  24.     FROM_UNIXTIME,FROM,UNIXTIME