Am Mittwoch, 20. Dezember 2006 14:20 schrieb Kenneth Marshall:
> On Wed, Dec 20, 2006 at 01:26:59PM +0100, Peter Eisentraut wrote:
> > Am Mittwoch, 20. Dezember 2006 04:44 schrieb Tom Lane:
> > > If you can show me a reasonably bulletproof or machine-checkable way to
> > > keep the two kinds of column numbers distinct, I'd be all for it.
> >
> > The only way I can see is to make the domains of the numbers distinct.
>
> Negative vs. positive numbers?
That would be an obvious choice, but negative column numbers are already in
use for system columns.
--
Peter Eisentraut
http://developer.postgresql.org/~petere/