Re: CREATE SYNONYM ...

On Tue, Mar 07, 2006 at 12:39:55PM -0800, Stephan Szabo wrote:
>
> On Tue, 7 Mar 2006, Jonah H. Harris wrote:
>
> > On 3/7/06, Stephan Szabo <sszabo(at)megazone(dot)bigpanda(dot)com> wrote:
> > >
> > > I'd personally be more interested in what the impact is on people not
> > > using synonyms. How free is any search for synonyms if you aren't using
> > > the feature?
> >
> >
> > Unless synonym enablement were a configurable parameter (which wouldn't
> > really make sense), the cost would be the same whether they're used or not
> > during searching.
>
> Right, but the response was that "using" synonyms incurred a cost and this
> should be documented. However, if there's a cost to people not using
> synonyms there's a higher barrier to entry for the feature.

Wouldn't the cost only be incurred if you searched for something in
pg_class that wasn't there, and therefor had to fall back to pg_synonym?
(At least I'd hope it was coded this way, but I didn't look at the
patch...)
--
Jim C. Nasby, Sr. Engineering Consultant jnasby(at)pervasive(dot)com
Pervasive Software http://pervasive.com work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461