Horton

Re: Optimizer oddness, possibly compounded in 8.1

Philip Warner <pjw@rhyme.com.au>

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From: Philip Warner <pjw@rhyme.com.au>
To: Simon Riggs <simon@2ndquadrant.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, pgsql-hackers@postgreSQL.org
Date: 2005-12-03T11:06:40Z
Lists: pgsql-hackers 
>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.