[postgis-users] Comparing Geometries with Different SRIDs

[Charlie Savage]

Here is another SRID issue that seems strange:

select 'srid=4326;polygon((0 0, 0 5, 5 5, 5 0, 0 0))'::geometry = 
'point(2 2)'::geometry


ERROR:  Operation on two GEOMETRIES with different SRIDs


Why not just return FALSE?  I can see forcing the same SRID when 
performing operations such as unions, but if the geometries have 
different SRID's then it seems reasonable to assume they are not equivalent.


Charlie
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