Re: Bad behaviour on some geometric operations on degenerate polygons - Mailing list pgsql-bugs

On Sat, Feb 15, 2014 at 12:07:20AM -0500, Bruce Momjian wrote:
> On Sat, Feb 15, 2014 at 12:00:09AM -0500, Tom Lane wrote:
> > Bruce Momjian <bruce@momjian.us> writes:
> > > What is odd however, is that we allow _explicit_ creation of zero-radius
> > > circles:
> >
> > >     test=> SELECT circle '<(1,1),0>';
> > >       circle
> > >     -----------
> > >      <(1,1),0>
> > >     (1 row)
> >
> > > so why do we prevent the conversion of single-point polygons to circles
> > > with zero radius?  I don't know.
> >
> > Maybe we should rethink that.  What you've done here seems like a kluge.
>
> Yes, it would be much easier to allow the zero-radius circles.  The
> attached smaller patch allows all the cases to work:

Applied.

--
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + Everyone has their own god. +