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Re: Query plan degradation 8.2 --> 8.3

From: Josh Berkus <josh(at)agliodbs(dot)com>
To: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Query plan degradation 8.2 --> 8.3
Date: 2007-05-30 22:55:00
Message-ID: 200705301555.00576.josh@agliodbs.com (view raw or flat)
Thread:
Lists: pgsql-hackers
On Wednesday 30 May 2007 15:51, Josh Berkus wrote:
> I now have a simple test case which shows significant performance
> degradation on 8.3devel for a specific query, apparenly due to an
> unnecessary call to Top-N sort.  I've tried to forward the test case to
> the lists but the package is 3.5m, so I'm putting it on pgFoundry
> instead:

...ooops, how about a link for that:
http://pgfoundry.org/docman/view.php/1000041/767/pg83_sortbug.tar.Z

-- 
--Josh

Josh Berkus
PostgreSQL @ Sun
San Francisco

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Next:From: Tom LaneDate: 2007-05-30 23:28:18
Subject: Re: Query plan degradation 8.2 --> 8.3
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