[postgis-users] how make many geometry unions

[Francisco Salas]

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
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osgeo.org/pipermail/postgis-users/attachments/20110622/c8987f88/attachment.html>