Re: WIP Join Removal

From: Simon Riggs <simon(at)2ndQuadrant(dot)com>
To: Gregory Stark <stark(at)enterprisedb(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, List pgsql-patches <pgsql-patches(at)postgresql(dot)org>
Subject: Re: WIP Join Removal
Date: 2008-09-02 16:17:19
Message-ID: 1220372239.4371.459.camel@ebony.2ndQuadrant
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On Tue, 2008-09-02 at 17:03 +0100, Gregory Stark wrote:
> Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> writes:
>
> > Simon Riggs <simon(at)2ndQuadrant(dot)com> writes:
> >> On Mon, 2008-09-01 at 22:23 +0300, Heikki Linnakangas wrote:
> >>> Did plan invalidation make it safe to rely on the presence of a unique
> >>> index for planning decisions?
> >
> >> My understanding was "Yes" and this case was the specific reason I
> >> originally wanted to pursue plan invalidation back in 2006.
>
> It may be worth considering what other cases...

On other patches, yes.

--
Simon Riggs www.2ndQuadrant.com
PostgreSQL Training, Services and Support

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