Re: join removal

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Robert Haas <robertmhaas(at)gmail(dot)com>, Greg Stark <stark(at)mit(dot)edu>, "<pgsql-hackers(at)postgresql(dot)org>" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: join removal
Date: 2010-03-28 05:15:32
Message-ID: 13241.1269753332@sss.pgh.pa.us
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I wrote:
> [ crude patch ]

Oh, btw, if you try to run the regression test additions in that patch
against CVS HEAD, you'll find out that HEAD actually fails to optimize
the two-levels-of-removable-joins case. Seems like another reason to
press ahead with making the change.

regards, tom lane

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