From: Francesc Leveque <webmaster@loroadictos.com>
To: pgsql-sql@postgresql.org
Subject: Subselect returning 2 columns
Date: Thu, 06 May 2004 10:52:04 +0200
Message-ID: <4099FCB4.1090300@loroadictos.com> (raw)
Hello,
Is correct to do something like?:
SELECT row1,row2 FROM mytable
WHERE (row1,row3) IN
(SELECT row1 as p1,MAX(row3) as p2 FROM mytable
WHERE row3 <= current_date
GROUP BY row1)
I mean, I don't see documentation about subselects returning more than
one column, but it seems to work...
Thanks,
Francesc.
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Subject: Re: Subselect returning 2 columns
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