In article <421235D8.5050605@stripped>,
schlubediwup <schlubediwup@stripped> writes:
mysql> select addtime(now(), '00:00:00');
> +----------------------------+
> | addtime(now(), '00:00:00') |
> +----------------------------+
> | 2005-02-15 16:49:17 |
> +----------------------------+
> 1 row in set (0.00 sec)
mysql> select addtime(now(), '00:60:00');
> <<<<<<<<<<<<<<<<<<<
> +----------------------------+
> | addtime(now(), '00:60:00') |
> +----------------------------+
> | NULL |
> +----------------------------+
> 1 row in set, 1 warning (0.00 sec)
mysql> select addtime(now(), '01:00:00');
> +----------------------------+
> | addtime(now(), '01:00:00') |
> +----------------------------+
> | 2005-02-15 17:50:27 |
> +----------------------------+
> 1 row in set (0.00 sec)
> in my opinion the result of the second and third example above must be
> the same.
Nope. Leap seconds do not accumulate to leap minutes; thus there's no
hour with 60 minutes. I'm not sure about the silent conversion to
NULL; PostgreSQL throws an error stating 'interval field value out of
range: "00:60:00"'.
