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From: Achilleus Mantzios <achill@matrix.gatewaynet.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-performance@postgresql.org
Subject: Re: An unresolved performance problem.
Date: Fri, 9 May 2003 17:25:12 -0200 (GMT+2)
Message-ID: <Pine.LNX.4.44.0305091721310.7304-100000@matrix.gatewaynet.com> (raw)
In-Reply-To: <Pine.LNX.4.44.0305091644500.7304-100000@matrix.gatewaynet.com>


I changed  
*indexCorrelation = varCorrelation / nKeys;
to 
*indexCorrelation = varCorrelation ;

and i got cost=28.88
and it beats every other index.


-- 
==================================================================
Achilleus Mantzios
S/W Engineer
IT dept
Dynacom Tankers Mngmt
Nikis 4, Glyfada
Athens 16610
Greece
tel:    +30-210-8981112
fax:    +30-210-8981877
email:  achill@matrix.gatewaynet.com
        mantzios@softlab.ece.ntua.gr

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