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To: "Dmitri Bichko" <dbichko@aveopharma.com>,
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Subject: Re: interesting SQL puzzle - concatenating column with itself.
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Date: Tue, 17 May 2005 19:57:32 +0200
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> I'm just curious - what's the 'OFFSET 0' for?

	Trick to fool postgres into thinking it can't rewrite out your subquery  
and eliminate it ...