| DESCRIBE FUNCTION add_months; |
| DESCRIBE FUNCTION EXTENDED add_months; |
| |
| explain select add_months('2014-01-14', 1); |
| |
| select |
| add_months('2014-01-14', 1), |
| add_months('2014-01-31', 1), |
| add_months('2014-02-28', -1), |
| add_months('2014-02-28', 2), |
| add_months('2014-04-30', -2), |
| add_months('2015-02-28', 12), |
| add_months('2016-02-29', -12), |
| add_months('2016-01-29', 1), |
| add_months('2016-02-29', -1), |
| add_months(cast(null as string), 1), |
| add_months('2014-01-14', cast(null as int)); |
| |
| select |
| add_months('2014-01-14 10:30:00', 1), |
| add_months('2014-01-31 10:30:00', 1), |
| add_months('2014-02-28 10:30:00', -1), |
| add_months('2014-02-28 16:30:00', 2), |
| add_months('2014-04-30 10:30:00', -2), |
| add_months('2015-02-28 10:30:00', 12), |
| add_months('2016-02-29 10:30:00', -12), |
| add_months('2016-01-29 10:30:00', 1), |
| add_months('2016-02-29 10:30:12', -12, 'YYYY-MM-dd HH:mm:ss'), |
| add_months('2016-02-29 10:30:00', -1); |
| |
| select |
| add_months(cast('2014-01-14 10:30:00' as timestamp), 1), |
| add_months(cast('2014-01-31 10:30:00' as timestamp), 1), |
| add_months(cast('2014-02-28 10:30:00' as timestamp), -1), |
| add_months(cast('2014-02-28 16:30:00' as timestamp), 2), |
| add_months(cast('2014-04-30 10:30:00' as timestamp), -2), |
| add_months(cast('2015-02-28 10:30:00' as timestamp), 12), |
| add_months(cast('2016-02-29 10:30:00' as timestamp), -12), |
| add_months(cast('2016-01-29 10:30:00' as timestamp), 1), |
| add_months(cast('2016-02-29 10:30:00' as timestamp), -1), |
| add_months(cast('2016-02-29 10:30:12' as timestamp), 2, 'YYYY-MM-dd HH:mm:ss'), |
| add_months(cast(null as timestamp), 1); |