From: Tom Lane <tgl@sss.pgh.pa.us>
To: Iain <iain@mst.co.jp>
Cc: pgsql-sql@postgresql.org
Subject: Re: not in vs not exists - vastly diferent performance
Date: Thu, 25 Dec 2003 11:32:21 -0500
Message-ID: <20597.1072369941@sss.pgh.pa.us> (raw)
In-Reply-To: <013d01c3ca89$7307d7d0$7201a8c0@mst1x5r347kymb>
References: <013d01c3ca89$7307d7d0$7201a8c0@mst1x5r347kymb>
"Iain" <iain@mst.co.jp> writes:
> I found this interesting and thought I'd offer it up for comment.
You didn't say what PG version you are using, but I'd venture to bet
it is pre-7.4.
regards, tom lane
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To: pgsql-sql@postgresql.org
Cc: tgl@sss.pgh.pa.us, iain@mst.co.jp
Subject: Re: not in vs not exists - vastly diferent performance
In-Reply-To: <20597.1072369941@sss.pgh.pa.us>
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