timestampadd

功能

将整数表达式间隔添加到日期或日期时间表达式 datetime_expr 中。

interval 的单位由 unit 参数给出，应该是下列值之一:

SECOND，MINUTE，HOUR，DAY，WEEK，MONTH，YEAR。

语法

DATETIME TIMESTAMPADD(unit, interval, DATETIME datetime_expr)

示例

SELECT TIMESTAMPADD(MINUTE,1,'2019-01-02');
+------------------------------------------------+
| timestampadd(MINUTE, 1, '2019-01-02 00:00:00') |
+------------------------------------------------+
| 2019-01-02 00:01:00                            |
+------------------------------------------------+

SELECT TIMESTAMPADD(WEEK,1,'2019-01-02');
+----------------------------------------------+
| timestampadd(WEEK, 1, '2019-01-02 00:00:00') |
+----------------------------------------------+
| 2019-01-09 00:00:00                          |
+----------------------------------------------+