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CREATE TABLE t(a INT PRIMARY KEY, b INT)ENGINE=InnoDB;
INSERT INTO t VALUES(2,2),(4,4),(8,8),(16,16),(32,32);
COMMIT;
XA START '123';
INSERT INTO t VALUES(1,1);
XA END '123';
XA PREPARE '123';
CONNECT con1,localhost,root,,;
XA START '456';
INSERT INTO t VALUES(3,47),(5,67);
UPDATE t SET b=2*b WHERE a BETWEEN 5 AND 8;
XA END '456';
XA PREPARE '456';
CONNECT con2,localhost,root,,;
XA START '789';
UPDATE t SET b=4*a WHERE a=32;
XA END '789';
XA PREPARE '789';
CONNECT con3,localhost,root,,;
SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
SELECT * FROM t;
a b
1 1
2 2
3 47
4 4
5 134
8 16
16 16
32 128
COMMIT;
SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
SELECT * FROM t;
a b
1 1
2 2
3 47
4 4
5 134
8 16
16 16
32 128
COMMIT;
XA RECOVER;
formatID gtrid_length bqual_length data
1 3 0 123
1 3 0 456
1 3 0 789
XA ROLLBACK '123';
XA ROLLBACK '456';
XA COMMIT '789';
SELECT * FROM t;
a b
2 2
4 4
8 8
16 16
32 128
DROP TABLE t;
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