DATETIME DAYS_ADD(DATETIME date, INT days)
From date time or date plus specified days
The parameter date can be DATETIME or DATE, and the return type is consistent with that of the parameter date.
mysql> select days_add(to_date("2020-02-02 02:02:02"), 1);
+---------------------------------------------+
| days_add(to_date('2020-02-02 02:02:02'), 1) |
+---------------------------------------------+
| 2020-02-03 |
+---------------------------------------------+
DAYS_ADD