[postgis-users] how make many geometry unions
Francisco Salas
fsalas at pinar.geocuba.cu
Wed Jun 22 09:45:28 PDT 2011
Hi,
I need to know how can I make many geometry unions, using the best
solutions.
I have try with st_union but is very slow. Letter I use the st_collect and
st_buildarea, but is very slow too
Best Regards,
Salas
Empresa GEOCUBA Pinar del Río
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