Re: Ordering of records in group by not possible
От | Alban Hertroys |
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Тема | Re: Ordering of records in group by not possible |
Дата | |
Msg-id | 444F841D.2030500@magproductions.nl обсуждение исходный текст |
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. T: ++31(0)534346874 F: ++31(0)534346876 M: I: www.magproductions.nl A: Postbus 416 7500 AK Enschede // Integrate Your World //
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