--- ./mysql-test/main/alter_table.result	2020-02-27 19:35:41.279992329 +0300
+++ ./mysql-test/main/alter_table,heap.reject	2020-02-27 19:39:44.175998039 +0300
@@ -2716,8 +2716,7 @@
 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
 ALTER TABLE t1 RENAME COLUMN bb TO b;
 SHOW CREATE TABLE t1;
@@ -2733,8 +2732,7 @@
 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
 CREATE TABLE t4(a int);
 ALTER TABLE t4 RENAME COLUMN a TO aa, ALGORITHM = INPLACE;
@@ -2774,36 +2772,6 @@
 ERROR 42S22: Unknown column 'd' in 'field list'
 DROP TRIGGER trg1;
 DROP PROCEDURE sp1;
-CREATE TABLE t_gen(a INT, b DOUBLE GENERATED ALWAYS AS (SQRT(a)));
-INSERT INTO t_gen(a) VALUES(4);
-SELECT * FROM t_gen;
-a	b
-4	2
-SHOW CREATE TABLE t_gen;
-Table	Create Table
-t_gen	CREATE TABLE `t_gen` (
-  `a` int(11) DEFAULT NULL,
-  `b` double GENERATED ALWAYS AS (sqrt(`a`)) VIRTUAL
-) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1
-ALTER TABLE t_gen RENAME COLUMN a TO c, CHANGE COLUMN b b DOUBLE GENERATED ALWAYS AS (SQRT(c));
-SELECT * FROM t_gen;
-c	b
-4	2
-SHOW CREATE TABLE t_gen;
-Table	Create Table
-t_gen	CREATE TABLE `t_gen` (
-  `c` int(11) DEFAULT NULL,
-  `b` double GENERATED ALWAYS AS (sqrt(`c`)) VIRTUAL
-) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1
-ALTER TABLE t_gen CHANGE COLUMN c x INT;
-show create table t_gen;
-Table	Create Table
-t_gen	CREATE TABLE `t_gen` (
-  `x` int(11) DEFAULT NULL,
-  `b` double GENERATED ALWAYS AS (sqrt(`x`)) VIRTUAL
-) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1
-ALTER TABLE t_gen RENAME COLUMN x TO a;
-DROP TABLE t_gen;
 SHOW CREATE TABLE t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (