toStartOfHour
Rounds down a date with time to the start of the hour.
Syntax
toStartOfHour( <expr> )
Arguments
| Arguments | Description |
|---|---|
<expr> | datetime |
Return Type
Datetime object, returns date in “YYYY-MM-DD hh:mm:ss” format.
Examples
SELECT toStartOfHour(now());
+----------------------+
| toStartOfHour(now()) |
+----------------------+
| 2022-03-29 06:00:00 |
+----------------------+
SELECT toStartOfHour(to_datetime(1630812366));
+---------------------------------------+
| toStartOfHour(to_datetime(1630812366)) |
+---------------------------------------+
| 2021-09-05 03:00:00 |
+---------------------------------------+