[postgis-devel] RFC: Remove mmin and mmax from GBOX
Sandro Santilli
strk at keybit.net
Thu Jul 7 02:37:01 PDT 2011
On Thu, Jul 07, 2011 at 10:17:04AM +0100, Mark Cave-Ayland wrote:
> Well I'd say a dimension is something that identifies a unique
> region in multi-dimensional solution space, whereas an attribute is
> a reading of some description, e.g temperature, average number of
> mosquitos etc.
...
> Indexing derived units in this way does not make sense
What if I want to get the list of regions where the average number
of mosquitos per year is between 5000 and 10000 ?
--strk;
() Free GIS & Flash consultant/developer
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