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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Ben <bench@silentmedia.com>
Cc: Daniel Caune <daniel.caune@ubisoft.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: index usage
Date: Fri, 28 Jul 2006 17:06:55 -0400
Message-ID: <1236.1154120815@sss.pgh.pa.us> (raw)
In-Reply-To: <Pine.LNX.4.64.0607281359030.11400@GRD.cube42.tai.silentmedia.com>
References: <1E293D3FF63A3740B10AD5AAD88535D202B655F1@UBIMAIL1.ubisoft.org>
	<Pine.LNX.4.64.0607281359030.11400@GRD.cube42.tai.silentmedia.com>

Ben <bench@silentmedia.com> writes:
> It's volatile, but it will always return an integer.

If it's volatile then it can't be used for an index condition.

			regards, tom lane

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