ADD TIME INTERVAL
Add time interval to a date or datetime, return the result of date or datetime type.
Syntax
add_years(exp0, expr1)
add_months(exp0, expr1)
add_days(exp0, expr1)
add_hours(exp0, expr1)
add_minutes(exp0, expr1)
add_seconds(exp0, expr1)
Return Type
Date, Timestamp, depends on the input.
Examples
SELECT to_date(18875), add_years(to_date(18875), 2);
+---------------+-----------------------------+
| to_date(18875) | add_years(to_date(18875), 10) |
+---------------+-----------------------------+
| 2021-09-05 | 2023-09-05 |
+---------------+-----------------------------+
SELECT to_date(18875), add_months(to_date(18875), 2);
+---------------+-----------------------------+
| to_date(18875) | add_months(to_date(18875), 2) |
+---------------+-----------------------------+
| 2021-09-05 | 2021-11-05 |
+---------------+-----------------------------+
SELECT to_date(18875), add_days(to_date(18875), 2);
+---------------+---------------------------+
| to_date(18875) | add_days(to_date(18875), 2) |
+---------------+---------------------------+
| 2021-09-05 | 2021-09-07 |
+---------------+---------------------------+
SELECT to_datetime(1630833797), add_hours(to_datetime(1630833797), 2);
+------------------------+-------------------------------------+
| to_datetime(1630833797) | add_hours(to_datetime(1630833797), 2) |
+------------------------+-------------------------------------+
| 2021-09-05 09:23:17 | 2021-09-05 11:23:17 |
+------------------------+-------------------------------------+
SELECT to_datetime(1630833797), add_minutes(to_datetime(1630833797), 2);
+------------------------+---------------------------------------+
| to_datetime(1630833797) | add_minutes(to_datetime(1630833797), 2) |
+------------------------+---------------------------------------+
| 2021-09-05 09:23:17 | 2021-09-05 09:25:17 |
+------------------------+---------------------------------------+
SELECT to_datetime(1630833797), add_seconds(to_datetime(1630833797), 2);
+------------------------+---------------------------------------+
| to_datetime(1630833797) | add_seconds(to_datetime(1630833797), 2) |
+------------------------+---------------------------------------+
| 2021-09-05 09:23:17 | 2021-09-05 09:23:19 |
+------------------------+---------------------------------------+