HOUR
Syntax
HOUR(time)
Description
Returns the hour for time. The range of the return value is 0 to 23
for time-of-day values. However, the range of TIME values actually is
much larger, so HOUR can return values greater than 23.
The return value is always positive, even if a negative TIME value is provided.
Examples
SELECT HOUR('10:05:03');
+------------------+
| HOUR('10:05:03') |
+------------------+
| 10 |
+------------------+
SELECT HOUR('272:59:59');
+-------------------+
| HOUR('272:59:59') |
+-------------------+
| 272 |
+-------------------+
Difference between EXTRACT (HOUR FROM ...) (>= MariaDB 10.0.7 and MariaDB 5.5.35) and HOUR:
SELECT EXTRACT(HOUR FROM '26:30:00'), HOUR('26:30:00');
+-------------------------------+------------------+
| EXTRACT(HOUR FROM '26:30:00') | HOUR('26:30:00') |
+-------------------------------+------------------+
| 2 | 26 |
+-------------------------------+------------------+
See Also
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