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To: "Andrus" <kobruleht2@hot.ee>
cc: pgsql-performance@postgresql.org
Subject: Re: Using index for IS NULL query 
In-reply-to: <gfcprb$m40$1@news.hub.org> 
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Comments: In-reply-to "Andrus" <kobruleht2@hot.ee>
	message dated "Tue, 11 Nov 2008 21:55:55 +0200"
Date: Tue, 11 Nov 2008 15:45:15 -0500
Message-ID: <12244.1226436315@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
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"Andrus" <kobruleht2@hot.ee> writes:
> Index is not used for
>  is null

> How to fix ?

Update to something newer than 8.1 (specifically, you'll need 8.3).

			regards, tom lane