| From: | Don Baccus <dhogaza(at)pacifier(dot)com> |
|---|---|
| To: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
| Cc: | Daniel Kalchev <daniel(at)digsys(dot)bg>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Zeugswetter Andreas SB SD <ZeugswetterA(at)spardat(dot)at>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: again on index usage |
| Date: | 2002-01-11 19:29:32 |
| Message-ID: | 3C3F3D1C.6040307@pacifier.com |
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| Lists: | pgsql-hackers |
Bruce Momjian wrote:
>
> I have always felt some feedback mechanism from the executor back to the
> optimizer was required but I was never sure quite how to implement it.
The folks at DEC (rdb???) wrote a paper on it a long time ago (duh, back
when DEC existed). I ran across it in the Tuft's library about a year
ago, back when my girlfriend was in grad school.
--
Don Baccus
Portland, OR
http://donb.photo.net, http://birdnotes.net, http://openacs.org
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