[ Avaa Bypassed ]

CREATE TABLE t1 (c1 INT , c2 CHAR(10), PRIMARY KEY (c1)) ENGINE = InnoDB;
INSERT INTO t1 VALUES(0, "0");
INSERT INTO t1 VALUES(1, "1");
INSERT INTO t1 VALUES(2, "2");
INSERT INTO t1 VALUES(3, "3");
CREATE TABLE t2 (c1 INT , c2 CHAR(10), PRIMARY KEY (c1)) ENGINE = InnoDB;
INSERT INTO t2 VALUES(0, "a");
INSERT INTO t2 VALUES(1, "b");
INSERT INTO t2 VALUES(2, "c");
INSERT INTO t2 VALUES(3, "d");
'T1'
SET AUTOCOMMIT=0;
BEGIN;
SELECT * FROM t2;
c1	c2
0	a
1	b
2	c
3	d
'T2'
SET AUTOCOMMIT=0;
BEGIN;
SELECT * FROM t1;
c1	c2
0	0
1	1
2	2
3	3
'T3'
SET AUTOCOMMIT=0;
SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ;
BEGIN;
SELECT * FROM t1;
c1	c2
0	0
1	1
2	2
3	3
SELECT * FROM t2;
c1	c2
0	a
1	b
2	c
3	d
'T1'
UPDATE t2 SET c1 = c1 + 100;
SELECT * FROM t2;
c1	c2
100	a
101	b
102	c
103	d
COMMIT;
'T2'
UPDATE t1 SET c1 = c1 + 100;
SELECT * FROM t1;
c1	c2
100	0
101	1
102	2
103	3
COMMIT;
'T3'
SET DEBUG_SYNC='row_select_wait WAIT_FOR waiting1';
SELECT * FROM t1;;
'T2'
SET DEBUG_SYNC='now SIGNAL waiting1';
'Signalled T3'
'T3'
c1	c2
0	0
1	1
2	2
3	3
'T3'
SET DEBUG_SYNC='row_select_wait WAIT_FOR waiting1';
SELECT * FROM t2;;
'T2'
SET DEBUG_SYNC='now SIGNAL waiting1';
'Signalled T3'
'T3'
c1	c2
0	a
1	b
2	c
3	d
'T1'
SET AUTOCOMMIT=0;
BEGIN;
SELECT * FROM t1;
c1	c2
100	0
101	1
102	2
103	3
'T2'
SET AUTOCOMMIT=0;
BEGIN;
SELECT * FROM t2;
c1	c2
100	a
101	b
102	c
103	d
UPDATE t2 SET c1 = c1 + 100;
SELECT * FROM t2;
c1	c2
200	a
201	b
202	c
203	d
COMMIT;
'T3'
SET AUTOCOMMIT=0;
SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ;
BEGIN;
SELECT * FROM t1;
c1	c2
100	0
101	1
102	2
103	3
SELECT * FROM t2;
c1	c2
200	a
201	b
202	c
203	d
'T1'
UPDATE t1 SET c1 = c1 + 100;
SELECT * FROM t1;
c1	c2
200	0
201	1
202	2
203	3
COMMIT;
'T3'
SET DEBUG_SYNC='row_select_wait WAIT_FOR waiting1';
SELECT * FROM t1;;
'T2'
SET DEBUG_SYNC='now SIGNAL waiting1';
'Signalled T3'
'T3'
c1	c2
100	0
101	1
102	2
103	3
'T3'
SET DEBUG_SYNC='row_select_wait WAIT_FOR waiting1';
SELECT * FROM t2;;
'T2'
SET DEBUG_SYNC='now SIGNAL waiting1';
'Signalled T3'
'T3'
c1	c2
200	a
201	b
202	c
203	d
DROP TABLE t1;
DROP TABLE t2;
SET DEBUG_SYNC= 'RESET';