Re: IN surpasses NOT EXISTS in 7.4RC2 ??

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Robert Treat <xzilla(at)users(dot)sourceforge(dot)net>
Cc: Rajesh Kumar Mallah <mallah(at)trade-india(dot)com>, pgsql-performance(at)postgresql(dot)org
Subject: Re: IN surpasses NOT EXISTS in 7.4RC2 ??
Date: 2003-11-13 17:00:10
Message-ID: 27151.1068742810@sss.pgh.pa.us
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Robert Treat <xzilla(at)users(dot)sourceforge(dot)net> writes:
> Does the not exist query produce worse results in 7.4 than it did in
> 7.3?

EXISTS should work the same as before.

regards, tom lane

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