albrechtt@inseal.de (Sebastian Albrecht) writes:
> how can I get single xy-points from a polygon like for example:
[ looks through pg_proc... ] Hmm, this seems to be an oversight
in the polygon datatype. I don't think it'd be real practical
to support an array-subscript-like notation, but certainly a
function like point(polygon, n) wouldn't be too hard to add.
regards, tom lane