quarters_add

Adds a specified number of quarters to the date. One quarter equals three months.

Syntax

DATETIME quarters_add(DATETIME expr1, INT expr2);

Parameters

• expr1: the start time. It must be of the DATETIME or DATE type.

• expr2: the quarters to add. It must be of the INT type. It can be greater, equal, or less than zero. A negative value subtracts quarters from expr1.

Return value

Returns a DATETIME value.

Examples

select quarters_add('2019-08-01 13:21:03', 1);
+----------------------------------------+
| quarters_add('2019-08-01 13:21:03', 1) |
+----------------------------------------+
| 2019-11-01 13:21:03                    |
+----------------------------------------+

select quarters_add('2019-08-01', 1);
+-------------------------------+
| quarters_add('2019-08-01', 1) |
+-------------------------------+
| 2019-11-01 00:00:00           |
+-------------------------------+

select quarters_add('2019-08-01 13:21:03', -1);
+-----------------------------------------+
| quarters_add('2019-08-01 13:21:03', -1) |
+-----------------------------------------+
| 2019-05-01 13:21:03                     |
+-----------------------------------------+