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From: Jeremy Harris <jgh@wizmail.org>
To: pgsql-performance@postgresql.org
Subject: Re: Poor performance using CTE
Date: Thu, 22 Nov 2012 13:42:33 +0000
Message-ID: <50AE2BC9.7040207@wizmail.org> (raw)
In-Reply-To: <50AD6D16.9040608@2ndQuadrant.com>
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	<18123.1353455585@sss.pgh.pa.us>
	<50ACD166.1000507@vmware.com>
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	<50ACF658.10902@archidevsys.co.nz>
	<50ACF991.3020603@vmware.com>
	<50AD2BD1.8070206@archidevsys.co.nz>
	<50AD6D16.9040608@2ndQuadrant.com>

On 22/11/2012 00:08, Craig Ringer wrote:
> WITH
>    FENCE foo AS (SELECT ...),
>    bar AS (SELECT ...)
> SELECT * FROM bar;
>
> Are we fencing just foo? Or all expressions?
>

WITH foo AS (FENCED SELECT ...),
      bar AS (SELECT ...),
SELECT ... ;

-- 
Jeremy






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