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
58
59
60
61
|
#
# Test the case where a duplicate key error happens in the middle of an SR transaction
#
--source include/galera_cluster.inc
CREATE TABLE t1 (f1 BLOB) ENGINE=InnoDB;
CREATE UNIQUE INDEX i1 ON t1 (f1(512));
SET AUTOCOMMIT=OFF;
START TRANSACTION;
SET SESSION wsrep_trx_fragment_size = 1024;
INSERT INTO t1 VALUES (REPEAT('a', 512));
INSERT INTO t1 VALUES (REPEAT('b', 512));
INSERT INTO t1 VALUES (REPEAT('c', 512));
INSERT INTO t1 VALUES (REPEAT('d', 512));
INSERT INTO t1 VALUES (REPEAT('e', 512));
INSERT INTO t1 VALUES (REPEAT('f', 512));
--connection node_2
--let $wait_condition = SELECT COUNT(*) > 0 FROM mysql.wsrep_streaming_log;
--connection node_1
# Deadlock error instead of dupkey since the transaction is SR,
# and the statement has already replicated a fragment (which
# makes statement rollback unsafe).
--error ER_LOCK_DEADLOCK
INSERT INTO t1 VALUES (REPEAT('g', 1024)),(REPEAT('c', 512));
# Confirm that the wsrep_schema table is now empty, as it was a full transaction rollback
--connection node_1
SELECT COUNT(*) = 0 FROM mysql.wsrep_streaming_log;
--connection node_2
SELECT COUNT(*) = 0 FROM mysql.wsrep_streaming_log;
# Confirm that the transaction can be restarted on either node
--connection node_1
SET innodb_snapshot_isolation=OFF;
INSERT INTO t1 VALUES (REPEAT('d', 512));
INSERT INTO t1 VALUES (REPEAT('e', 512));
INSERT INTO t1 VALUES (REPEAT('f', 512));
COMMIT;
--connection node_2
SET AUTOCOMMIT=OFF;
START TRANSACTION;
INSERT INTO t1 VALUES (REPEAT('a', 512));
INSERT INTO t1 VALUES (REPEAT('b', 512));
INSERT INTO t1 VALUES (REPEAT('c', 512));
COMMIT;
--connection node_1
SELECT COUNT(*) = 6 FROM t1;
--connection node_2
SELECT COUNT(*) = 6 FROM t1;
DROP TABLE t1;
|
