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To: "Ilia Kantor" <ilia@obnovlenie.ru>
Cc: pgsql-performance@postgresql.org
Subject: Re: Planner improvement suggestion 
In-reply-to: <auto-000558493797@umail.ru> 
References: <auto-000558493797@umail.ru>
Comments: In-reply-to "Ilia Kantor" <ilia@obnovlenie.ru>
	message dated "Mon, 29 Aug 2005 00:59:33 +0400"
Date: Sun, 28 Aug 2005 17:30:48 -0400
Message-ID: <26927.1125264648@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
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"Ilia Kantor" <ilia@obnovlenie.ru> writes:
> So I just suggest that the planner should take this into account and
> "propagate" the condition outside or inside for planning if needed.

I believe it does this already for equality conditions, but not for
inequalities.

			regards, tom lane