drop table if exists t0,t1,t2;
create table t0(a int primary key);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
create table t1(a int primary key);
insert into t1 select A.a + B.a* 10 + C.a * 100 from t0 A, t0 B, t0 C;
create table t2 (
kp1 int,
kp2 int,
col char(100),
key(kp1, kp2)
);
insert into t2 select a, a, a from t1;
select engine from information_schema.tables
where table_schema=database() and table_name='t2';
engine
MyISAM
explain 
select * from t2 where kp1 between 10 and 20 and kp2 +1 >100;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t2	range	kp1	kp1	5	NULL	11	Using index condition
set debug_sync='handler_index_cond_check SIGNAL at_icp_check WAIT_FOR go';
select * from t2 where kp1 between 10 and 20 and kp2 +1 >100;
connect  con1, localhost, root,,;
connection con1;
set debug_sync='now WAIT_FOR at_icp_check';
kill query $target_id;
set debug_sync='now SIGNAL go';
connection default;
ERROR 70100: Query execution was interrupted
set debug_sync='RESET';
disconnect con1;
drop table t0,t1,t2;