Changes the ownership of database objects owned by a database role.
REASSIGN OWNED BY <old_role> [, ...] TO <new_role>
REASSIGN OWNED reassigns all the objects in the current database that are owned by <old_role> to <new_role>. Note that it does not change the ownership of the database itself.
REASSIGN OWNED is often used to prepare for the removal of one or more roles. Because
REASSIGN OWNED only affects the objects in the current database, it is usually necessary to execute this command in each database that contains objects owned by a role that is to be removed.
DROP OWNED command is an alternative that drops all the database objects owned by one or more roles.
REASSIGN OWNED command does not affect the privileges granted to the old roles in objects that are not owned by them. Use
DROP OWNED to revoke those privileges.
Reassign any database objects owned by the role named
REASSIGN OWNED BY sally, bob TO admin;
REASSIGN OWNED statement is a HAWQ extension.