1 UP_SQL = """ 2 ALTER TABLE tko_tests 3 DROP FOREIGN KEY `invalidates_test_idx_fk`, 4 ADD CONSTRAINT `invalidates_test_idx_fk_1` 5 FOREIGN KEY (`invalidates_test_idx`) 6 REFERENCES `tko_tests`(`test_idx`) ON DELETE CASCADE; 7 """ 8 9 DOWN_SQL = """ 10 ALTER TABLE tko_tests 11 DROP FOREIGN KEY `invalidates_test_idx_fk_1`, 12 ADD CONSTRAINT `invalidates_test_idx_fk` 13 FOREIGN KEY (`invalidates_test_idx`) 14 REFERENCES `tko_tests`(`test_idx`) ON DELETE NO ACTION; 15 """ 16
