Re: Ordering of records in group by not possible

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От Ludwig Isaac Lim
Тема Re: Ordering of records in group by not possible
Дата
Msg-id 20060426151910.84712.qmail@web33111.mail.mud.yahoo.com
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Ответ на Re: Ordering of records in group by not possible  (Alban Hertroys <alban@magproductions.nl>)
Ответы Re: Ordering of records in group by not possible  (Chris Kratz <chris.kratz@vistashare.com>)
Список pgsql-general
Hi:

> 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
>

another alternative is :

   select a , aggregrate(b) as <alias>
   from c
   group by a
   order by a, <alias>

e.g.

   select a,sum(b) as sum_b
   from c
   group by a
   order by a, sum_b

ludwig lim

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