--- main/alter_table_combinations.result 2022-05-24 17:16:56.769146869 +0200 +++ main/alter_table_combinations.reject 2022-05-24 17:25:20.847126357 +0200 @@ -173,8 +173,7 @@ t3 CREATE TABLE `t3` ( `a` int(11) DEFAULT NULL, `b` int(11) DEFAULT NULL, - KEY `b` (`b`), - CONSTRAINT `t3_ibfk_1` FOREIGN KEY (`b`) REFERENCES `t1` (`bb`) + KEY `b` (`b`) ) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci ALTER TABLE t1 RENAME COLUMN bb TO b; SHOW CREATE TABLE t1; @@ -190,8 +189,7 @@ t3 CREATE TABLE `t3` ( `a` int(11) DEFAULT NULL, `c` int(11) DEFAULT NULL, - KEY `b` (`c`), - CONSTRAINT `t3_ibfk_1` FOREIGN KEY (`c`) REFERENCES `t1` (`b`) + KEY `b` (`c`) ) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci CREATE TABLE t4(a int); ALTER TABLE t4 RENAME COLUMN a TO aa, ALGORITHM = INPLACE;