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From: Tom Lane <tgl@sss.pgh.pa.us>
To: PFC <lists@peufeu.com>
Cc: Mitchell Skinner <mitch@arctur.us>
Cc: pgsql-performance@postgresql.org
Cc: pgsql-hackers@postgresql.org
Subject: Re: [HACKERS] Big IN() clauses etc : feature proposal
Date: Tue, 09 May 2006 15:13:01 -0400
Message-ID: <16680.1147201981@sss.pgh.pa.us> (raw)
In-Reply-To: <op.s9alu1vhcigqcu@apollo13>
References: <445F7FF8.6070707@comcast.net>
	<1147110142.32369.7.camel@archimedes>
	<20060508175013.GY99570@pervasive.com>
	<28288.1147111196@sss.pgh.pa.us>
	<op.s89zl30wcigqcu@apollo13>
	<20060509105214.P90693@vesihiisi.cksoft.de>
	<op.s8916gm6cigqcu@apollo13>
	<20060509113337.M90693@vesihiisi.cksoft.de>
	<op.s893vzcpcigqcu@apollo13>
	<20060509103632.GD29652@svana.org>
	<op.s897j60qcigqcu@apollo13>
	<1147190285.32304.43.camel@firebolt>
	<op.s9alu1vhcigqcu@apollo13>

PFC <lists@peufeu.com> writes:
> 	Fun thing is, the rowcount from a temp table (which is the problem here)  
> should be available without ANALYZE ; as the temp table is not concurrent,  
> it would be simple to inc/decrement a counter on INSERT/DELETE...

No, because MVCC rules still apply.

			regards, tom lane

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