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Thread: function difference(geometry,geometry) is SLOW!

function difference(geometry,geometry) is SLOW!

From
"luke.78@libero.it"
Date:
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