CREATE TABLE bug38999_1 (a int not null primary key, b int not null, key (b)) engine=innodb; CREATE TABLE bug38999_2 (a int not null primary key, b int not null, key (b)) engine=innodb; INSERT INTO bug38999_1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10),(11,11),(12,12); INSERT INTO bug38999_2 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9); update bug38999_1,bug38999_2 set bug38999_1.a=bug38999_1.a+100; select * from bug38999_1; a b 101 1 102 2 103 3 104 4 105 5 106 6 107 7 108 8 109 9 110 10 111 11 112 12 update bug38999_1,bug38999_2 set bug38999_1.a=bug38999_1.a+100 where bug38999_1.a=101; select * from bug38999_1; a b 201 1 102 2 103 3 104 4 105 5 106 6 107 7 108 8 109 9 110 10 111 11 112 12 update bug38999_1,bug38999_2 set bug38999_1.b=bug38999_1.b+10 where bug38999_1.b=2; select * from bug38999_1; a b 201 1 103 3 104 4 105 5 106 6 107 7 108 8 109 9 110 10 111 11 102 12 112 12 update bug38999_1,bug38999_2 set bug38999_1.b=bug38999_1.b+2,bug38999_2.b=bug38999_1.b+10 where bug38999_1.b between 3 and 5 and bug38999_1.a=bug38999_2.a+100; select * from bug38999_1; a b 201 1 103 5 104 6 106 6 105 7 107 7 108 8 109 9 110 10 111 11 102 12 112 12 select * from bug38999_2; a b 1 1 2 2 6 6 7 7 8 8 9 9 3 13 4 14 5 15 drop table bug38999_1,bug38999_2; # # Bug#54475 improper error handling causes cascading crashing failures in innodb/ndb # CREATE TABLE t1(f1 INT) ENGINE=INNODB; INSERT INTO t1 VALUES(1); UPDATE (SELECT ((SELECT 1 FROM t1), 1) FROM t1 WHERE (SELECT 1 FROM t1)) x, (SELECT 1) AS d SET d.f1 = 1; ERROR 21000: Operand should contain 1 column(s) DROP TABLE t1;