Re: Cross-column statistics revisited

From: Josh Berkus <josh(at)agliodbs(dot)com>
To: pgsql-hackers(at)postgresql(dot)org
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Martijn van Oosterhout <kleptog(at)svana(dot)org>, Joshua Tolley <eggyknap(at)gmail(dot)com>
Subject: Re: Cross-column statistics revisited
Date: 2008-10-16 20:54:57
Message-ID: 200810161354.58098.josh@agliodbs.com
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Tom,

> (I'm not certain of how to do that efficiently, even if we had the
> right stats :-()

I was actually talking to someone about this at pgWest. Apparently there's
a fair amount of academic algorithms devoted to this topic. Josh, do you
remember who was talking about this?

--
--Josh

Josh Berkus
PostgreSQL
San Francisco

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