Re: pgsql: Fix an oversight in join-removal optimization: we have to check

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: David Fetter <david(at)fetter(dot)org>
Cc: pgsql-committers(at)postgresql(dot)org
Subject: Re: pgsql: Fix an oversight in join-removal optimization: we have to check
Date: 2010-03-22 16:38:00
Message-ID: 22263.1269275880@sss.pgh.pa.us
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David Fetter <david(at)fetter(dot)org> writes:
> On Mon, Mar 22, 2010 at 01:57:16PM +0000, Tom Lane wrote:
>> Log Message:
>> -----------
>> Fix an oversight in join-removal optimization: we have to check not only for
>> plain Vars that are generated in the inner rel and used above the join, but
>> also for PlaceHolderVars. Per report from Oleg K.

> That's short for Oleg Kolyhalin. Can we get this into the release
> notes?

We do not normally bother to record alpha bugs in the release notes.

regards, tom lane

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