Re: Optimizer oddness, possibly compounded in 8.1

From: Philip Warner <pjw(at)rhyme(dot)com(dot)au>
To: Simon Riggs <simon(at)2ndquadrant(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgreSQL(dot)org
Subject: Re: Optimizer oddness, possibly compounded in 8.1
Date: 2005-12-03 11:06:40
Message-ID: 43917C40.7080601@rhyme.com.au
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>There's a number of things that can be pushed down over a union set, in
>certain circumstances.
>
FWIW, you should also be able to push the unions up.

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