"Shoaib Mir" <shoaibmir@gmail.com> writes: > Well I will not recommend deleting rows like this from the meta data, but if > I will rather try using ALTER TABLE and ALTER TYPE to assign an owner for > the missing user referenced type or table
No, just create a new user with the same usesysid as is shown as the owner in pg_class etc. See the SYSID option to CREATE USER.
(FWIW, more recent PG versions prevent you from dropping users that still own objects.)