[postgis-devel] [topology] missing = operator for topogeometry

Rémi Cura remi.cura at gmail.com
Wed Oct 23 07:30:25 PDT 2013


Oops my bad Sandro,
I just found this function in topology schema :
CREATE OR REPLACE FUNCTION topology.equals(tg1 topogeometry, tg2
topogeometry).

It does the same as topogeometry==topogeometry , but raise notices to warn
about why topogeom are different.

Cheers,
Rémi-C


2013/10/23 Sandro Santilli <strk at keybit.net>

> On Wed, Oct 23, 2013 at 02:32:16PM +0200, Rémi Cura wrote:
> > Ok I understand what you mean.
> > If I follow you the = operator should cast topogeom to geom and perform
> the
> > regular geom=geom operation?
>
> Or otherwise return the semantically equivalent result (bounding box
> equality).
> I guess the "not unique" postgresql message refers to there being multiple
> paths to get there following existing implicit casts.
>
> > I modified the = operator to become the topogeom==topogeom
>
> Good.
>
> --strk;
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