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
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
--source include/galera_cluster.inc
--source include/have_innodb.inc
CREATE TABLE ten (f1 INTEGER) ENGINE=InnoDB;
INSERT INTO ten VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
CREATE TABLE t1 (f1 INTEGER AUTO_INCREMENT PRIMARY KEY, f2 INTEGER) ENGINE=InnoDB;
--let $wsrep_max_ws_rows_orig = `SELECT @@wsrep_max_ws_rows`
SET GLOBAL wsrep_max_ws_rows = 4;
# Test that wsrep_max_ws_rows is enforced with multi statement transactions
START TRANSACTION;
INSERT INTO t1 (f2) VALUES (1);
INSERT INTO t1 (f2) VALUES (2);
INSERT INTO t1 (f2) VALUES (3);
INSERT INTO t1 (f2) VALUES (4);
--error ER_ERROR_DURING_COMMIT
INSERT INTO t1 (f2) VALUES (5);
COMMIT;
SELECT COUNT(*) = 0 FROM t1;
START TRANSACTION;
INSERT INTO t1 (f2) VALUES (1);
INSERT INTO t1 (f2) VALUES (2);
INSERT INTO t1 (f2) VALUES (3);
INSERT INTO t1 (f2) VALUES (4);
--error ER_ERROR_DURING_COMMIT
UPDATE t1 SET f2 = 10 WHERE f2 = 4;
COMMIT;
SELECT COUNT(*) = 0 FROM t1;
START TRANSACTION;
INSERT INTO t1 (f2) VALUES (1);
INSERT INTO t1 (f2) VALUES (2);
INSERT INTO t1 (f2) VALUES (3);
INSERT INTO t1 (f2) VALUES (4);
--error ER_ERROR_DURING_COMMIT
DELETE FROM t1 WHERE f2 = 1;
COMMIT;
SELECT COUNT(*) = 0 FROM t1;
# Test that wsrep_max_ws_rows is enforced on sigle statements
SET GLOBAL wsrep_max_ws_rows = 5;
INSERT INTO t1 (f2) VALUES (1),(2),(3),(4),(5);
SET GLOBAL wsrep_max_ws_rows = 4;
--error ER_ERROR_DURING_COMMIT
UPDATE t1 SET f2 = f2 + 10;
SELECT COUNT(*) = 5 FROM t1;
--error ER_ERROR_DURING_COMMIT
DELETE FROM t1 WHERE f2 < 10;
SELECT COUNT(*) = 5 FROM t1;
--error ER_ERROR_DURING_COMMIT
INSERT INTO t1 (f2) SELECT * FROM ten;
SELECT COUNT(*) = 5 FROM t1;
--error ER_ERROR_DURING_COMMIT
INSERT INTO t1 (f2) VALUES (10),(20),(30),(40),(50);
SELECT COUNT(*) = 5 FROM t1;
# Fewer than wsrep_max_ws_rows is OK
SET GLOBAL wsrep_max_ws_rows = 10;
DELETE FROM t1 WHERE f2 < 10;
SELECT COUNT(*) = 0 FROM t1;
# Test a series of transactions
--disable_query_log
SET GLOBAL wsrep_max_ws_rows = 5;
let $i= 100;
while ($i)
{
START TRANSACTION;
--eval INSERT INTO t1 (f2) VALUES ($i);
COMMIT;
dec $i;
}
--enable_query_log
SET GLOBAL wsrep_max_ws_rows = 100;
SELECT COUNT(*) = 100 FROM t1;
DELETE FROM t1 WHERE f2 < 101;
SELECT COUNT(*) = 0 FROM t1;
# Test large statements
SET GLOBAL wsrep_max_ws_rows = 9999;
--error ER_ERROR_DURING_COMMIT
INSERT INTO t1 (f2) SELECT 1 FROM ten AS a1, ten AS a2, ten AS a3, ten AS a4;
SET GLOBAL wsrep_max_ws_rows = 10000;
INSERT INTO t1 (f2) SELECT 1 FROM ten AS a1, ten AS a2, ten AS a3, ten AS a4;
SET GLOBAL wsrep_max_ws_rows = 9999;
--error ER_ERROR_DURING_COMMIT
UPDATE t1 SET f2 = 2 WHERE f2 = 1;
SET GLOBAL wsrep_max_ws_rows = 10000;
UPDATE t1 SET f2 = 2 WHERE f2 = 1;
SET GLOBAL wsrep_max_ws_rows = 9999;
--error ER_ERROR_DURING_COMMIT
DELETE FROM t1 WHERE f2 = 2;
SET GLOBAL wsrep_max_ws_rows = 10000;
DELETE FROM t1 WHERE f2 = 2;
SELECT COUNT(*) = 0 FROM t1;
# Test that wsrep_max_ws_rows is reset when switching autocommit mode
SET AUTOCOMMIT = ON;
SET GLOBAL wsrep_max_ws_rows = 1;
START TRANSACTION;
INSERT INTO t1 (f2) VALUES (1);
--error ER_ERROR_DURING_COMMIT
INSERT INTO t1 (f2) VALUES (2);
INSERT INTO t1 (f2) VALUES (1);
INSERT INTO t1 (f2) VALUES (2);
SET AUTOCOMMIT = OFF;
START TRANSACTION;
INSERT INTO t1 (f2) VALUES (1);
--error ER_ERROR_DURING_COMMIT
INSERT INTO t1 (f2) VALUES (2);
INSERT INTO t1 (f2) VALUES (1);
--error ER_ERROR_DURING_COMMIT
INSERT INTO t1 (f2) VALUES (2);
# Test that wsrep_max_ws_rows is reset on implicit commits
START TRANSACTION;
INSERT INTO t1 (f2) VALUES (1);
START TRANSACTION;
INSERT INTO t1 (f2) VALUES (1);
--error ER_ERROR_DURING_COMMIT
INSERT INTO t1 (f2) VALUES (2);
DROP TABLE t1;
DROP TABLE ten;
--echo #
--echo # MDEV-11817: Altering a table with more rows than
--echo # wsrep_max_ws_rows causes cluster to break when running
--echo # Galera cluster in TOI mode
--echo #
--connection node_1
CREATE TABLE t1(c1 INT)ENGINE = INNODB;
SET GLOBAL wsrep_max_ws_rows= DEFAULT;
INSERT INTO t1 VALUES(1);
INSERT INTO t1 SELECT * FROM t1;
SET GLOBAL wsrep_max_ws_rows= 1;
ALTER TABLE t1 CHANGE COLUMN c1 c1 BIGINT;
--connection node_2
SHOW CREATE TABLE t1;
SELECT COUNT(*) FROM t1;
DROP TABLE t1;
--connection node_1
--disable_query_log
--eval SET GLOBAL wsrep_max_ws_rows = $wsrep_max_ws_rows_orig
--enable_query_log
--source include/galera_end.inc
|
