Andrew Gierth <and...@tao11.riddles.org.uk> writes:
> point <-> point, circle <-> point and polygon <-> point all exist as
> orderable-by-operator operators (in fact they are the only ones by
> default). But there's no box <-> point operator at all, and no index
> support for box <-> box.
> Was this intentional, or just a strange oversight?
Seems like an oversight. None of these operators have commutators,
but it seems like they all should:
<->(point,line)
<->(point,lseg)
<->(point,box)
<->(lseg,line)
<->(lseg,box)
<->(point,path)
<->(circle,polygon)
<->(line,box)
Dunno about the index-support angle.
regards, tom lane
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