doris/docs/documentation/cn/sql-reference/sql-functions/date-time-functions/date_sub.md

date_sub

description

Syntax

INT DATE_SUB(DATETIME date,INTERVAL expr type)

从日期减去指定的时间间隔

date 参数是合法的日期表达式。

expr 参数是您希望添加的时间间隔。

type 参数可以是下列值：YEAR, MONTH, DAY, HOUR, MINUTE, SECOND

example

mysql> select date_sub('2010-11-30 23:59:59', INTERVAL 2 DAY);
+-------------------------------------------------+
| date_sub('2010-11-30 23:59:59', INTERVAL 2 DAY) |
+-------------------------------------------------+
| 2010-11-28 23:59:59                             |
+-------------------------------------------------+
##keyword
DATE_SUB,DATE,SUB