[postgis-devel] function difference(geometry, geometry) work very slowly!

[Paul Ramsey]

Send us a patched faster version? :) Pass it smaller geometries?
Ensure that your query doesn't send it geometries that don't
intersect?

Without seeing your full SQL, there is little we can provide in
assistance beyond those general comments.

P

On Tue, Jun 17, 2008 at 11:25 AM, luke.78 at libero.it <luke.78 at libero.it> wrote:
> 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?
>
>
> Thanks in advance!
> Luke
>
> _______________________________________________
> postgis-devel mailing list
> postgis-devel at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-devel
>