create table `bug59410_1`(`a` int)engine=innodb; insert into `bug59410_1` values (1),(2),(3); select 1 from `bug59410_1` where `a` <> any ( select 1 from `bug59410_1` where `a` <> 1 for update) for update; 1 1 1 drop table bug59410_1; create table bug59410_2(`a` char(1),`b` int)engine=innodb; insert into bug59410_2 values('0',0); set transaction isolation level read uncommitted; start transaction; set @a=(select b from bug59410_2 where (select 1 from bug59410_2 where a group by @a=b) group by @a:=b); drop table bug59410_2;