| From: | "A(dot) Kretschmer" <andreas(dot)kretschmer(at)schollglas(dot)com> |
|---|---|
| To: | pgsql-sql(at)postgresql(dot)org |
| Subject: | Re: How to GROUP results BY month |
| Date: | 2008-07-16 05:39:11 |
| Message-ID: | 20080716053910.GC2323@a-kretschmer.de |
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| Thread: | |
| Lists: | 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 queries that span years.
Right, but that wasn't the question...
Andreas
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Andreas Kretschmer
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