Re: How to GROUP results BY month

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От A. Kretschmer
Тема Re: How to GROUP results BY month
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Msg-id 20080716053910.GC2323@a-kretschmer.de
обсуждение исходный текст
Ответ на Re: How to GROUP results BY month  (Mark Roberts <mailing_lists@pandapocket.com>)
Ответы Re: How to GROUP results BY month  (Mark Roberts <mailing_lists@pandapocket.com>)
Re: How to GROUP results BY month  (Lennin Caro <lennin.caro@yahoo.com>)
Список pgsql-sql
am  Tue, dem 15.07.2008, um 18:15:07 -0700 mailte Mark Roberts folgendes:
> 
> On Tue, 2008-07-15 at 14:31 +0200, A. Kretschmer wrote:
> > am  Tue, dem 15.07.2008, um 13:12:39 +0100 mailte Oliveiros Cristina folgendes:
> > > Howdy, all,
> > > 
> > > I have a problem.
> > > 
> > > I have a table which one of the fields is of type date.
> > > 
> > > I need to obtain the totals of the other fields in a  by-month basis
> > > IS there any easy way to do this using the GROUP BY or any other construct?
> > 
> > ... group by extract(month from date)
> > 
> > 
> > Andreas
> 
> It's worth noting that extract(month from timestamp) returns a month_no, and thus will not be suitable for grouping
queriesthat span years.
 

Right, but that wasn't the question...


Andreas
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