On May22, 2012, at 16:09 , Tom Lane wrote: > Thom Brown <t...@linux.com> writes: >> Conflicts would occur where localrolename matches an existing local >> role name within the same database, or a global role name, but not a >> local role name within another database. The problem with this, >> however, is that creating global roles would need conflict checks >> against local roles in every database, unless a manifest of all local >> roles were registered globally. > > Yeah. The same type of issue arises for the roles' OIDs. You'd really > want local and global roles to have nonconflicting OIDs, else it's > necessary to carry around an indication of which type each role is; > which would be more or less a show-stopper in terms of the number of > catalogs and internal APIs affected. But I don't currently see any > nice way to guarantee that if each database has a private table of > local roles.
Maybe we could simply make all global role's OIDs even, and all local ones odd, or something like that. best regards, Florian Pflug -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers