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To: "Gaetano Mendola" <mendola@bigfoot.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: Performance inside and outside view ( WAS Re: Select the max on a
	field )
In-reply-to: <alq8f1$8rj$1@news.hub.org> 
References: <20020912065516.L45340-100000@megazone23.bigpanda.com>
	<alq8f1$8rj$1@news.hub.org>
Comments: In-reply-to "Gaetano Mendola" <mendola@bigfoot.com>
	message dated "Thu, 12 Sep 2002 16:31:04 +0200"
Date: Thu, 12 Sep 2002 10:50:23 -0400
Message-ID: <7350.1031842223@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
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"Gaetano Mendola" <mendola@bigfoot.com> writes:
> Yes that's right it's help me,
> but here the optimizer have some problems:

What's the datatype of id_user, and why are you quoting the compared
constant in some cases but not others?  I don't think the difference
has anything to do with the view here ...

			regards, tom lane