On Mon, Oct 21, 2013 at 2:32 PM, Pierre Racine <[email protected]>wrote:
> Again why do ST_Union to compute the area when you could just sum() the > areas? > Won't that only yield the same answer if you can guarantee no overlapping geometries in the fazendas table? My understanding was that the other table was the raster table (which it is reasonable to assume has no overlaps), but we don't know if that's the case with this one.
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