Re: Insert may fail if i create a primary key on the oid

songsubo wrote:
> I create a primary key on the "oid" column. The oid is generate by
> system itself. The oid may overlap, when this happen, this operation
> may fail?

Yes. If you want a self-incrementing primary key, why not use a SERIAL type?

--
  Richard Huxton
  Archonet Ltd