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Re: generalizing the planner knobs

From: Neil Conway <neilc(at)samurai(dot)com>
To: Gregory Maxwell <gmaxwell(at)gmail(dot)com>
Cc: "Pollard, Mike" <mpollard(at)cincom(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Greg Stark <gsstark(at)mit(dot)edu>, "Jonah H(dot) Harris" <jonah(dot)harris(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: generalizing the planner knobs
Date: 2005-12-02 03:37:26
Message-ID: 1133494646.9942.3.camel@localhost.localdomain (view raw or flat)
Thread:
Lists: pgsql-hackers
On Thu, 2005-12-01 at 21:01 -0500, Gregory Maxwell wrote:
> If we'd really like to avoid people using the knobs to rig queries,
> how about making them only  work with explain analyze, useful for
> debugging but not so useful for actual queries.

That seems a pretty arbitrary limitation. I agree that it's not ideal to
have users adjust planner behavior via this means, but until we have
something better, I think applying that limitation would only make the
status quo worse.

-Neil



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