--source include/have_debug.inc

--echo #
--echo # Bug #725050: print keyuse info when  hash join is used 
--echo #

create table t1 (a int, b int);
insert into t1 values (2,2), (1,1);
create table t2 (a int);
insert into t2 values (2), (3);

set session join_cache_level=3;
set @@debug_dbug= 'd:t:O,/tmp/trace.out';

explain select t1.b from t1,t2 where t1.b=t2.a;
select t1.b from t1,t2 where t1.b=t2.a;

set session join_cache_level=default;
drop table t1,t2;