Re: Slow Queries with OR's?

From: Andrew Sullivan <andrew(at)libertyrms(dot)info>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: Slow Queries with OR's?
Date: 2003-04-29 12:19:14
Message-ID: 20030429121914.GC2470@libertyrms.info
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On Tue, Apr 29, 2003 at 10:01:04AM +0100, Mad Hatter wrote:

> Why does using IN (or OR) give such a performance hit?

Because the implementation was not perfect ;-)

I gather there is a fix for this in CVS tip, so you might want to
give that a whirl to see if it solves your problem. (But don't use
it for real systems yet!)

A

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