Jonathan Bartlett <johnnyb6@sdf.lonestar.org> writes:
> Besides compatibility, what breaks when you make OIDs/Txn IDs
> INT8s?
OIDs are part of the on-the-wire protocol (column type data returned
during a SELECT is in the form of OIDs). So extending OIDs to int8
would pose nontrivial client/server compatibility hazards.
> Maybe there should be a minor fork called Postgres64 which does
> this for those needing large tables.
I've been thinking it should be a compile-time option. But the protocol
issue is going to be a problem.
regards, tom lane
