The Ultimate Guide to High Availability with MariaDB

ADD_MONTHS

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MariaDB starting with 10.6.1

The ADD_MONTHS function was introduced in MariaDB 10.6.1 to enhance Oracle compatibility. Similar functionality can be achieved with the DATE_ADD function.

Syntax

ADD_MONTHS(date, months)

Description

ADD_MONTHS adds an integer months to a given date (DATE, DATETIME or TIMESTAMP), returning the resulting date.

months can be positive or negative.

The resulting day component will remain the same as that specified in date, unless the resulting month has fewer days than the day component of the given date, in which case the day will be the last day of the resulting month.

Returns NULL if given not given a valid date, or a NULL argument.

Examples

SELECT ADD_MONTHS('2012-01-31', 2);
+-----------------------------+
| ADD_MONTHS('2012-01-31', 2) |
+-----------------------------+
| 2012-03-31                  |
+-----------------------------+

SELECT ADD_MONTHS('2012-01-31', -5);
+------------------------------+
| ADD_MONTHS('2012-01-31', -5) |
+------------------------------+
| 2011-08-31                   |
+------------------------------+

SELECT ADD_MONTHS('2011-01-31', 1);
+-----------------------------+
| ADD_MONTHS('2011-01-31', 1) |
+-----------------------------+
| 2011-02-28                  |
+-----------------------------+

SELECT ADD_MONTHS('2012-01-31', 1);
+-----------------------------+
| ADD_MONTHS('2012-01-31', 1) |
+-----------------------------+
| 2012-02-29                  |
+-----------------------------+

SELECT ADD_MONTHS('2012-01-31', 2);
+-----------------------------+
| ADD_MONTHS('2012-01-31', 2) |
+-----------------------------+
| 2012-03-31                  |
+-----------------------------+

SELECT ADD_MONTHS('2012-01-31', 3);
+-----------------------------+
| ADD_MONTHS('2012-01-31', 3) |
+-----------------------------+
| 2012-04-30                  |
+-----------------------------+

See also

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