BEGIN;
-- Do not silently discard ownership when rolling back.
DO $$ BEGIN
    IF EXISTS(SELECT 1 FROM device_account_binding) THEN
        RAISE EXCEPTION 'Account device bindings exist; restore the matching backup instead of dropping ownership';
    END IF;
END $$;
DROP TRIGGER device_account_binding_reset ON device;
DROP FUNCTION reset_device_account_binding();
DROP TRIGGER device_account_assignment_finish ON device_binding;
DROP FUNCTION finish_device_account_assignment();
DROP TRIGGER device_account_assignment_guard ON device_binding;
DROP FUNCTION guard_device_account_assignment();
DELETE FROM device_ble_binding WHERE subject_id IS NULL;
ALTER TABLE device_ble_binding DROP CONSTRAINT device_ble_binding_profile_pair, DROP COLUMN account_binding_id;
ALTER TABLE device_ble_binding ALTER COLUMN household_id SET NOT NULL, ALTER COLUMN subject_id SET NOT NULL;
DROP TABLE device_account_binding;
COMMIT;