| From: | "Pollard, Mike" <mpollard(at)cincom(dot)com> |
|---|---|
| To: | "Gregory Maxwell" <gmaxwell(at)gmail(dot)com> |
| Cc: | "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>, "Neil Conway" <neilc(at)samurai(dot)com>, "pgsql-hackers" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: generalizing the planner knobs |
| Date: | 2005-12-02 03:21:23 |
| Message-ID: | 6418CC03D0FB1943A464E1FEFB3ED46B01B220F4@im01.cincom.com |
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| Lists: | pgsql-hackers |
Gregory Maxwell <gmaxwell(at)gmail(dot)com> wrote:
> The flipside there is that a good set of hinting options may increase
> the amount of detailed feedback we get from users on improvements
> needed in the optimizer. The current knobs are pretty blunt and don't
> do as much as I'd like when trying to track down exactly where the
> optimiser has gone wrong.
Point conceded. Any information that can help diagnose an issue is good
information. I like the idea of only allowing it on explain.
Mike Pollard
SUPRA Server SQL Engineering and Support
Cincom Systems, Inc.
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