ST_equals(null,null); returns nullST_equals(geometryfromtext('POINT(0 0)',null);returns nullI suggest that ST_equals() on mixed SRID geometries, should return a null, just like a null geometry does.I think this is the most consistent approach when theresult is actually unknown, and therefore a result of either true orfalse is inappropriate.
I'm fine with this approach, its certainly better than throwing an error. Charlie
smime.p7s
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