timestampadd

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