Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
> Is there really a reason why OIDs can't be a pure user-space column?
We'd need some kluge to keep "SELECT *" from including OID. Also I'd be
a bit worried about the impact on the cost of HeapTupleGetOid --- it
might not matter, or it might.
regards, tom lane