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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Michael Fuhr <mike@fuhr.org>
Cc: Josh Berkus <josh@agliodbs.com>
Cc: pgsql-performance@postgresql.org, Jean-Pierre Pelletier <pelletier_32@sympatico.ca>
Cc: John Arbash Meinel <john@arbash-meinel.com>
Subject: Re: Queries 15 times slower on 8.1 beta 2 than on 8.0
Date: Thu, 22 Sep 2005 19:12:14 -0400
Message-ID: <16903.1127430734@sss.pgh.pa.us> (raw)
In-Reply-To: <20050922225432.GA25103@winnie.fuhr.org>
References: <BAYC1-PASMTP01EE67AD3A0034394D85D895970@CEZ.ICE>
	<433326A6.8010708@arbash-meinel.com>
	<BAYC1-PASMTP0276B50280C40ABC9BBCB495970@CEZ.ICE>
	<200509221519.05555.josh@agliodbs.com>
	<20050922225432.GA25103@winnie.fuhr.org>

Michael Fuhr <mike@fuhr.org> writes:
> I've created a simplified, self-contained test case for this:

I see the problem --- I broke best_inner_indexscan() for some cases
where the potential indexscan clause is an outer-join ON clause.

			regards, tom lane

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  Subject: Re: Queries 15 times slower on 8.1 beta 2 than on 8.0
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