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Version: Stable-3.1

days_add

Description​

Adds a specified number of days to a given date or date time.

Syntax​

DATETIME days_add(DATETIME|DATE date, INT n);

Parameters​

date: a DATE or DATETIME expression.

n: the number of days to add.

Return value​

Returns a DATETIME value.

If any input parameter is NULL or invalid, NULL is returned.

If the output date exceeds the range of [0000-01-01 00:00:00, 9999-12-31 00:00:00], NULL is returned.

Examples​

select days_add('2023-10-31 23:59:59', 1);
+------------------------------------+
| days_add('2023-10-31 23:59:59', 1) |
+------------------------------------+
| 2023-11-01 23:59:59                |
+------------------------------------+

select days_add('2023-10-31 23:59:59', 1000);
+---------------------------------------+
| days_add('2023-10-31 23:59:59', 1000) |
+---------------------------------------+
| 2026-07-27 23:59:59                   |
+---------------------------------------+

select days_add('2023-10-31', 1);
+---------------------------+
| days_add('2023-10-31', 1) |
+---------------------------+
| 2023-11-01 00:00:00       |
+---------------------------+

Keywords​

DAY,day