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
|
#
# Test the wsrep_desync + wsrep_on method for schema upgrades discussed at
# http://www.slideshare.net/Severalnines/schema-upgrades-codershippresodec2013 , slide 30
#
--source include/big_test.inc
--source include/galera_cluster.inc
--source include/have_innodb.inc
--connection node_1
CREATE TABLE ten (f1 INTEGER);
INSERT INTO ten VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
CREATE TABLE t1 (f1 INTEGER) Engine=InnoDB;
# Insert some values before the ALTER
INSERT INTO t1 (f1) SELECT 000000 + (10000 * a1.f1) + (1000 * a2.f1) + (100 * a3.f1) + (10 * a4.f1) + a5.f1 FROM ten AS a1, ten AS a2, ten AS a3, ten AS a4, ten AS a5;
--connection node_2
SELECT COUNT(*) = 100000 FROM t1;
SET GLOBAL wsrep_desync = TRUE;
SET SESSION wsrep_on = FALSE;
ALTER TABLE t1 ADD PRIMARY KEY (f1);
SET SESSION wsrep_on = TRUE;
SET GLOBAL wsrep_desync = FALSE;
# Insert even more data after the ALTER has completed
INSERT INTO t1 (f1) SELECT 100000 + (10000 * a1.f1) + (1000 * a2.f1) + (100 * a3.f1) + (10 * a4.f1) + a5.f1 FROM ten AS a1, ten AS a2, ten AS a3, ten AS a4, ten AS a5;
SELECT COUNT(*) = 200000 FROM t1;
SELECT MAX(f1) = 199999 FROM t1;
--connection node_1
SELECT COUNT(*) = 200000 FROM t1;
SELECT MAX(f1) = 199999 FROM t1;
SET GLOBAL wsrep_desync = TRUE;
SET SESSION wsrep_on = FALSE;
ALTER TABLE t1 ADD PRIMARY KEY (f1);
SET SESSION wsrep_on = TRUE;
SET GLOBAL wsrep_desync = FALSE;
# Insert some conflicting values after the ALTER has been applied on all nodes.
--connection node_2
--error ER_DUP_ENTRY
INSERT INTO t1 (f1) VALUES (1);
--connection node_1
--error ER_DUP_ENTRY
INSERT INTO t1 (f1) VALUES (100);
DROP TABLE t1;
DROP TABLE ten;
|
