mysql>
mysql> SELECT TIMESTAMPADD(HOUR,1,'2003-01-02');
+-----------------------------------+
| TIMESTAMPADD(HOUR,1,'2003-01-02') |
+-----------------------------------+
| 2003-01-02 01:00:00 |
+-----------------------------------+
1 row in set (0.00 sec)
mysql>
14.46.TIMESTAMPADD |
| 14.46.1. | TIMESTAMPADD(unit,interval,datetime_expr) adds the integer expression interval to datetime_expr |
| 14.46.2. | SELECT TIMESTAMPADD(SECOND,1,'2003-01-02'); |
| 14.46.3. | SELECT TIMESTAMPADD(FRAC_SECOND,1,'2003-01-02'); |
| 14.46.4. | SELECT TIMESTAMPADD(HOUR,1,'2003-01-02'); |
| 14.46.5. | SELECT TIMESTAMPADD(DAY,1,'2003-01-02'); |
| 14.46.6. | SELECT TIMESTAMPADD(WEEK,1,'2003-01-02'); |
| 14.46.7. | SELECT TIMESTAMPADD(MONTH,1,'2003-01-02'); |
| 14.46.8. | SELECT TIMESTAMPADD(QUARTER,1,'2003-01-02'); |
| 14.46.9. | SELECT TIMESTAMPADD(YEAR,1,'2003-01-02'); |