CREATE TABLE t1(a INT NOT NULL) ENGINE=csv;
INSERT INTO t1 VALUES(1);
connect con1, localhost, root;
LOCK TABLE t1 READ;
connection default;
FLUSH TABLES WITH READ LOCK;
UNLOCK TABLES;
# Must return 1 row
SELECT * FROM t2;
a
1
SELECT * FROM t1;
a
1
connection con1;
UNLOCK TABLES;
connection default;
INSERT INTO t2 VALUES(2);
INSERT INTO t2 VALUES(2);
SELECT * from t1,t2;
a	a
1	1
1	2
1	2
DROP TABLE t1, t2;