1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57
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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';
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';
XA START '789';
UPDATE t SET b=4*a WHERE a=32;
XA END '789';
XA PREPARE '789';
call mtr.add_suppression("Found 3 prepared XA transactions");
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 0 789
1 3 0 456
1 3 0 123
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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