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
|
#
# Test that a LOCK TABLE on the slave will cause all applier threads to block,
# Even though the two INSERTS are independent transactions, the fact that t1 is locked
# prevents the applier thread from committing the insert against t2, as commits are done
# in order.
#
--source include/galera_cluster.inc
--source include/have_innodb.inc
CREATE TABLE t1 (id INT PRIMARY KEY) ENGINE=InnoDB;
CREATE TABLE t2 (id INT PRIMARY KEY) ENGINE=InnoDB;
--connection node_2
--let $wsrep_slave_threads_orig = `SELECT @@wsrep_slave_threads`
--let $wsrep_sync_wait_orig = `SELECT @@wsrep_sync_wait`
SET GLOBAL wsrep_slave_threads = 2;
LOCK TABLE t1 READ;
--connection node_1
INSERT INTO t1 VALUES (1);
INSERT INTO t2 VALUES (1);
# We use a separate connection here so that we can SELECT from both tables
# without running into "table t2 was not locked" error.
--let $galera_connection_name = node_2a
--let $galera_server_number = 2
--source include/galera_connect.inc
--connection node_2a
--sleep 1
SET SESSION wsrep_sync_wait=0;
SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE STATE LIKE '%applied write set%';
SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE STATE LIKE '%Waiting for table level lock%';
SELECT COUNT(*) = 0 FROM t1;
SELECT COUNT(*) = 0 FROM t2;
--connection node_2
UNLOCK TABLES;
--connection node_2a
--eval SET SESSION wsrep_sync_wait = $wsrep_sync_wait_orig;
SELECT COUNT(*) = 1 FROM t1;
SELECT COUNT(*) = 1 FROM t2;
SELECT COUNT(*) = 2 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE STATE LIKE 'committed%';
--eval SET GLOBAL wsrep_slave_threads = $wsrep_slave_threads_orig;
DROP TABLE t1;
DROP TABLE t2;
|
