Re: Making NULL entries appear first when ORDER BY <field> ASC

On Wednesday 16 February 2005 04:47, Bruno Wolff III wrote:
> > Now, as you see, touples with NULL in the "start_time"-field appear
> > "after" the others. I would like to make all entries where start_time IS
> > NULL apear *before* all the others. Any idea how to achieve this?
>
> SELECT start_date, start_time, end_time, title
> FROM onp_crm_activity_log
> WHERE start_date IS NOT NULL
> ORDER BY start_date ASC, start_time IS NOT NULL ASC, start_time ASC;
>
> This assumes you want the NULL start times first within a particular
> date. Otherwise change the order in the ORDER BY clause.

Thanks! This si, IMO, the cleanest solution as it doesn't involve any
COALESCE.

--
Andreas Joseph Krogh <andreak(at)officenet(dot)no>
Senior Software Developer / Manager
gpg public_key: http://dev.officenet.no/~andreak/public_key.asc
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