Okay, thanks for the answer. I take it that it is "do it differently then".
I might have an idea but it is not working yet, so I'll post another message. Thanks dear co-list user ^^ Cheers, Rémi-C 2015-04-01 16:56 GMT+02:00 David G. Johnston <david.g.johns...@gmail.com>: > On Wed, Apr 1, 2015 at 7:26 AM, Rémi Cura <remi.c...@gmail.com> wrote: > >> pcpatch(n) are specialization of pcpatch type. >> > > While this may be true PostgreSQL doesn't understand "specialization" of > data types. If you cannot do as Steven suggested you do not get to > leverage inheritance directly and will need to devise your own work-arounds > for the capabilities that you require. > > I'm somewhat surprised that what you describe works at all - mainly given > that functions do not allow typemod specifications to pass through the > function invocation...but alas I'm not all that familiar with PostGIS and > whatever is being done does indeed seem to be working... > > David J. > >
