mariadb/mysql-test/r/flush_read_lock_kill.result

drop table if exists t1;
create table t1 (kill_id int);
insert into t1 values(connection_id());
 flush tables with read lock;
select ((@id := kill_id) - kill_id) from t1;
((@id := kill_id) - kill_id)
0
kill connection @id;
drop table t1;