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From: luke.78@libero.it <luke.78@libero.it>
To: pgsql-performance@postgresql.org
Subject: function difference(geometry,geometry) is SLOW!
Date: Mon, 16 Jun 2008 11:06:44 +0200 (CEST)
Message-ID: <10574478.390451213607204584.JavaMail.defaultUser@defaultHost> (raw)

Hi,
In my pgsql procedure, i use the function

geometryDiff := difference
(geometry1,geometry2);

but this function is very slow!!!
What can I do to 
speed this function?
Exists a special index for it?

Thanks in advance!
Luke

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