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Date: Fri, 11 Jan 2002 11:29:32 -0800
From: Don Baccus <dhogaza@pacifier.com>
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To: Bruce Momjian <pgman@candle.pha.pa.us>
CC: Daniel Kalchev <daniel@digsys.bg>, Tom Lane <tgl@sss.pgh.pa.us>,
	Zeugswetter Andreas SB SD <ZeugswetterA@spardat.at>,
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Subject: Re: again on index usage
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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