On Wed, 2008-07-16 at 07:39 +0200, A. Kretschmer wrote: > 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...
Honestly, the way the question was phrased, I'd have assumed that it wanted to group by month (not group by a group of months). Jan 08 is distinct from Jan 07. Please accept my sincerest apologies if you you feel that I misinterpreted the question. I was merely trying to illustrate the difference between what each approach was. -Mark -- Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-sql