SQL Language Extension: SET ROLE Implements capability to change role in already establishment attachment. Author: Alex Peshkoff <peshkoff@mail.ru> Syntax is: SET ROLE rolename; SET TRUSTED ROLE; Description: Makes it possible to set current role to one, granted to current user, or to one assigned to database attachment as trusted. By default trusted role is not assigned to the attachment. This behavior can be changed using appropriate authentication plugin and CREATE/ALTER MAPPING command. Well know sample of trusted role is RDB$ADMIN assigned to windows admins when windows trusted authentication is used. Samples: SET ROLE manager; select current_role from rdb$database; Displays: ROLE =============================== MANAGER