[postgis-devel] Spatial relationships not defined should return null

Paul Ramsey pramsey at opengeo.org
Thu Feb 9 20:53:10 PST 2012


I'm not enthusiastic to change this behavior.
P.

On Thu, Feb 9, 2012 at 2:39 PM, Jose Carlos Martinez Llario
<jomarlla at cgf.upv.es> wrote:
> Hi list,
> According to the standards the spatial predicates which are not defined as
> st_touches (point , point) or st_overlaps (line, polygon) must return null.
> PostGIS returns false in those cases (trunk and previous versions too), so
> it is against SQL/MM.
>
> Should I open a ticket or this is the wanted behavior?
>
> Regards,
> Jose
>
>
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