Re: UNION question

From: Brandon Metcalf <brandon(at)geronimoalloys(dot)com>
To: "Hartman, Matthew" <Matthew(dot)Hartman(at)krcc(dot)on(dot)ca>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: UNION question
Date: 2009-07-10 16:33:50
Message-ID: Pine.LNX.4.58L.0907101133380.6574@cedar.geronimoalloys.com
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M == Matthew(dot)Hartman(at)krcc(dot)on(dot)ca writes:

M> > > From: pgsql-general-owner(at)postgresql(dot)org [mailto:pgsql-general-
M> > > owner(at)postgresql(dot)org] On Behalf Of Brandon Metcalf
M> > > Sent: Friday, July 10, 2009 12:16 PM
M> >
M> > Change it to this:

M> Sorry, I forgot that you need to split the GROUP BY clause as well in a
M> similar manner to the WHERE clause. And unless you have duplicate rows
M> to eliminate, use UNION ALL rather than UNION for a speed increase.

Thanks. Got it to work.

--
Brandon

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