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?
Ken