--source include/have_query_cache.inc
--source include/have_debug.inc
set GLOBAL query_cache_size=1355776;
--source include/percona_query_cache_with_comments_clear.inc

-- disable_warnings
DROP TABLE IF EXISTS t;
-- enable_warnings
CREATE TABLE t(id INT, number INT);
INSERT INTO t VALUES (0,1);
INSERT INTO t VALUES (1,2);
INSERT INTO t VALUES (2,3);
SELECT number from t where id > 0;
--connect (conn0,localhost,root,,)
--connect (conn1,localhost,root,,)
--connect (conn2,localhost,root,,)

--connection conn0
--error 0, ER_UNKNOWN_SYSTEM_VARIABLE
SET SESSION debug="+d,status_wait_query_cache_mutex_sleep";
SEND SELECT number from t where id > 0;
SLEEP 1.0;

--connection conn1
--error 0, ER_UNKNOWN_SYSTEM_VARIABLE
SET SESSION debug="+d,status_wait_query_cache_mutex_sleep";
SEND SELECT number from t where id > 0;
SLEEP 1.0;

--connection conn2
--error 0, ER_UNKNOWN_SYSTEM_VARIABLE
SET SESSION debug="+d,status_wait_query_cache_mutex_sleep";
--replace_column 1 Id 6 Time
SHOW PROCESSLIST;

DROP TABLE t;
set GLOBAL query_cache_size=0;