From: Randolf Richardson <rr@8x.ca>
To: pgsql-sql@postgresql.org
Subject: Re: not in vs not exists - vastly diferent performance
Date: Thu, 1 Jan 2004 04:48:37 +0000 (UTC)
Message-ID: <Xns9462D1831D7E0rr8xca@200.46.204.72> (raw)
References: <013d01c3ca89$7307d7d0$7201a8c0@mst1x5r347kymb>
<20597.1072369941@sss.pgh.pa.us>
"tgl@sss.pgh.pa.us (Tom Lane)" wrote in comp.databases.postgresql.sql:
> "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.
This must've been one of the enhancements. =)
--
Sir Randolf, noble spam fighter - rr@8x.ca
Vancouver, British Columbia, Canada
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To: pgsql-sql@postgresql.org
Cc: rr@8x.ca
Subject: Re: not in vs not exists - vastly diferent performance
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