Re: Ordering of records in group by not possible
| От | Alban Hertroys |
|---|---|
| Тема | Re: Ordering of records in group by not possible |
| Дата | |
| Msg-id | 444F841D.2030500@magproductions.nl обсуждение |
| Ответ на | Ordering of records in group by not possible (Chris Kratz <chris.kratz@vistashare.com>) |
| Ответы |
Re: Ordering of records in group by not possible
Re: Ordering of records in group by not possible |
| Список | pgsql-general |
Chris Kratz wrote:
> Hello all,
>
> I wanted to verify what we are seeing.
>
> Select a, aggregate(b)
> from c
> group by a
> order by a,b
That's a rather odd query... Values in b aren't available to order by,
as they have been aggregated. There is no relation to the values in b
and the values in your result set.
You could order by "column 2" if you want to order on the results on
your aggregate:
Select a, aggregate(b)
from c
group by a
order by a,2
--
Alban Hertroys
alban@magproductions.nl
magproductions b.v.
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