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From: Don Baccus <dhogaza@pacifier.com>
To: Bruce Momjian <pgman@candle.pha.pa.us>
Cc: Daniel Kalchev <daniel@digsys.bg>
Cc: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Zeugswetter Andreas SB SD <ZeugswetterA@spardat.at>
Cc: pgsql-hackers@postgresql.org
Subject: Re: again on index usage
Date: Fri, 11 Jan 2002 11:29:32 -0800
Message-ID: <3C3F3D1C.6040307@pacifier.com> (raw)
References: <200201111824.g0BIOKY26496@candle.pha.pa.us>

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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