> On Mon, 1 Nov 2004, Tom Lane wrote:
>
> > > I think the number of charset/collation combinations will be relatively
> > > few so perhaps it would be space efficient to maintain a table where
> > > each combination is given an oid and have string values store that
> > > rather than two separate oid's?
> >
> > In fact, we should do our best to get the overhead down to 1 or 2 bytes.
> > Two OIDs (8 bytes) is ridiculous.
>
> Just to be clear, we don't want to store it on disk no matter what since
> it should be enough to store it once for each column. As a first solution
> we could store it just to keep it simple until we have tried it out.
Right. AFAIK nobody has proposed charsets/collations onto disk.
--
Tatsuo Ishii