# Save the initial number of concurrent sessions
# Establish connection con1 (user=root)
# Establish connection con2 (user=root)
# Switch to connection con1
CREATE TABLE t1 (a INT) ENGINE=innodb;
RESET MASTER;
SET AUTOCOMMIT=0;
SELECT 1;
1
1
# Switch to connection con2
FLUSH TABLES WITH READ LOCK;
show binlog events from <binlog_start>;
Log_name	Pos	Event_type	Server_id	End_log_pos	Info
# Switch to connection con1
INSERT INTO t1 VALUES (1);
# Switch to connection con2
show binlog events from <binlog_start>;
Log_name	Pos	Event_type	Server_id	End_log_pos	Info
UNLOCK TABLES;
# Switch to connection con1
DROP TABLE t1;
SET AUTOCOMMIT=1;
create table t1 (a int) engine=innodb;
flush tables with read lock;
begin;
insert into t1 values (1);;
unlock tables;
commit;
drop table t1;
# Switch to connection default and close connections con1 and con2
# Wait till all disconnects are completed