Using check_constraint_checks=OFF can break replication

source include/master-slave.inc;

connection master;

create table t10(

  pk int primary key, 

  a int, 

  constraint a_big check (a>10)

);

insert into t10 values (1, 20);

set check_constraint_checks=off;

update t10 set a=a-15 where pk=1;

update t10 set a=a+100 where pk=1;

set check_constraint_checks=on ;

select * from t10;

sync_slave_with_master;

#  Here we are on the slave

select * from t10;

connection master;

drop table t10;

sync_slave_with_master;

--source include/rpl_end.inc

CURRENT_TEST: rpl.rpl_check

analyze: sync_with_master

mysqltest: At line 20: sync_slave_with_master failed: 'select master_pos_wait('master-bin.000001', 1166, 300, '')' returned NULL indicating slave SQL thread failure

...

Last_Error      Error 'CONSTRAINT `a_big` failed for `test`.`t10`' on query. Default database: 'test'. Query: 'update t10 set a=a-15 where pk=1'