I'd love to see some people here with large data volumes who do
contains/intersects/within tests do some testing of the new postgis/
geos prepared geometry code...
To test the new functions
- install the svn snapshot of GEOS
- install the svn snapshot of PostGIS
- use the ST_ContainsPrepared(g1,g2) predicate for the testing
We've seen performance improvements of between 5 and 100 times
faster. The bigger and more complicated your test geometries are,
the faster it should be.
Thanks,
P.
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