From: Bruno Wolff III <bruno@wolff.to>
To: Greg Stark <gsstark@mit.edu>
Cc: Josh Berkus <josh@agliodbs.com>
Cc: Stefan Bill <sjb26@yahoo.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: LEAST and GREATEST functions?
Date: Tue, 1 Jul 2003 15:22:07 -0500
Message-ID: <20030701202207.GA4463@wolff.to> (raw)
In-Reply-To: <87d6gu2otf.fsf@stark.dyndns.tv>
References: <20030630201057.14507.qmail@web13905.mail.yahoo.com>
<200306302032.23113.josh@agliodbs.com>
<87d6gu2otf.fsf@stark.dyndns.tv>
On Tue, Jul 01, 2003 at 12:29:16 -0400,
Greg Stark <gsstark@mit.edu> wrote:
>
> SELECT greatest(a,b) FROM bar
>
> would return one tuple for every record in the table with a single value
> representing the greater of bar.a and bar.b.
You can do this with case.
SELECT CASE WHEN a >= b THEN a ELSE b END FROM bar;
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To: pgsql-sql@postgresql.org
Cc: bruno@wolff.to, gsstark@mit.edu, josh@agliodbs.com, sjb26@yahoo.com
Subject: Re: LEAST and GREATEST functions?
In-Reply-To: <20030701202207.GA4463@wolff.to>
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