ALTER TABLE node_role_assignments DROP CONSTRAINT IF EXISTS node_role_assignments_role_check; ALTER TABLE node_role_assignments ADD CONSTRAINT node_role_assignments_role_check CHECK (role IN ( 'entry-node', 'relay-node', 'core-mesh', 'rdp-worker', 'vnc-worker', 'vpn-exit', 'vpn-connector', 'file-storage-cache', 'update-cache', 'video-relay' ));