Tom Lane <tgl@sss.pgh.pa.us> writes:
> Actually, the more I think about it the more I think that 3 numbers
> might be the answer. 99% of the code would use only the permanent ID.
Don't we already have such a permanent number -- just one we don't use
anywhere in the data model? Namely the oid of the pg_attribute entry. It's
actually a bit odd that we don't use it since we use the oid of just about
every other system catalog record as the primary key.
-- Gregory Stark EnterpriseDB http://www.enterprisedb.com
