Re: Optimizer regression

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Jim Nasby <jim(at)nasby(dot)net>
Cc: Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Optimizer regression
Date: 2012-10-13 20:28:21
Message-ID: 19873.1350160101@sss.pgh.pa.us
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Jim Nasby <jim(at)nasby(dot)net> writes:
> FWIW, it's definitely an issue of not being able to push down past the GROUP BY:

I think it's not that so much as the EXISTS inside a LEFT JOIN.

regards, tom lane

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