timestampadd
Description
Adds an integer expression interval to the date or datetime expression datetime_expr
.
The unit for the interval as mentioned must be one of the following:
MILLISECOND (since 3.2), SECOND, MINUTE, HOUR, DAY, WEEK, MONTH, or YEAR.
Syntax
DATETIME TIMESTAMPADD(unit, interval, DATETIME datetime_expr)
Parameters
datetime_expr
: the DATE or DATETIME value to which you want to add a time interval.interval
: an integer expression that specifies the number of intervals to add.unit
: the unit of the time interval to add. Supported units include MILLISECOND (since 3.2), SECOND, MINUTE, HOUR, DAY, WEEK, MONTH, and YEAR.
Return value
Returns a value of the same data type as datetime_expr
.
Examples
MySQL > SELECT TIMESTAMPADD(MINUTE,1,'2019-01-02');
+------------------------------------------------+
| timestampadd(MINUTE, 1, '2019-01-02 00:00:00') |
+------------------------------------------------+
| 2019-01-02 00:01:00 |
+------------------------------------------------+
MySQL > SELECT TIMESTAMPADD(WEEK,1,'2019-01-02');
+----------------------------------------------+
| timestampadd(WEEK, 1, '2019-01-02 00:00:00') |
+----------------------------------------------+
| 2019-01-09 00:00:00 |
+----------------------------------------------+
MySQL > SELECT TIMESTAMPADD(MILLISECOND,1,'2019-01-02');
+--------------------------------------------+
| timestampadd(MILLISECOND, 1, '2019-01-02') |
+--------------------------------------------+
| 2019-01-02 00:00:00.001000 |
+--------------------------------------------+
keyword
TIMESTAMPADD