We have an FAQ item on this now under OID's.
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> > > Reading the documentation, I see that OIDs are unique through
> the
> > > whole database.
> > > But since OIDs are int4, does that limit the number of rows I
> can
> > > have in a database to 2^32 = 4 billion ?
> >
> > Yep.
> >
> > Thanks for the answer - although that concerns me a bit.
> > Maybe I could recompile it setting oid to int64 type...
>
> If that really concerns you, then the rest of the hackers list I think would
> be very interested in hearing of a real-world database with more than 4
> billion rows/inserts/deletes.
>
> Apparently it is somewhat more complicated than just 'recompiling as an
> int64' to change this. I believe that patches are currently being made to
> facilitate a future move towards 64bit OIDs, but I am not certain of the
> status.
>
> Chris
>
>
-- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610)
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