We've gotten a couple of complaints now about the fact that 7.3 doesn't
include an OID column in a table created via CREATE TABLE AS or SELECT
INTO. Unless I hear objections, I'm going to revert it to including an
OID, and back-patch the fix for 7.3.2 as well. See discussion a couple
days ago on pgsql-general, starting at
http://archives.postgresql.org/pgsql-general/2003-01/msg00669.php
regards, tom lane