blob: 386d73fd3ca1c7fc706043e7ecaaa00a0c7efc8f (
plain)
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
|
--source include/galera_cluster.inc
--source include/have_innodb.inc
#
# Ensure that transactions that do not write anything do not cause the wsrep_last_committed counter to advance
#
# Empty transaction
--connection node_1
CREATE TABLE t1 (id INT PRIMARY KEY) ENGINE=InnoDB;
--connection node_2
--let $wsrep_last_committed_before = `SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME = 'wsrep_last_committed'`
--connection node_1
SET AUTOCOMMIT=OFF;
START TRANSACTION;
COMMIT;
--connection node_2
--let $wsrep_last_committed_after = `SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME = 'wsrep_last_committed'`
--disable_query_log
--eval SELECT $wsrep_last_committed_after = $wsrep_last_committed_before AS wsrep_last_committed_diff;
--enable_query_log
# START TRANSACTION READ ONLY
--connection node_2
--let $wsrep_last_committed_before = `SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME = 'wsrep_last_committed'`
--connection node_1
START TRANSACTION READ ONLY;
SELECT COUNT(*) = 0 FROM t1;
COMMIT;
--connection node_2
--let $wsrep_last_committed_after = `SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME = 'wsrep_last_committed'`
--disable_query_log
--eval SELECT $wsrep_last_committed_after = $wsrep_last_committed_before AS wsrep_last_committed_diff;
--enable_query_log
# Ordinary transaction with only SELECTs
--connection node_1
START TRANSACTION;
SELECT COUNT(*) = 0 FROM t1;
COMMIT;
--connection node_2
--let $wsrep_last_committed_after = `SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME = 'wsrep_last_committed'`
--disable_query_log
--eval SELECT $wsrep_last_committed_after = $wsrep_last_committed_before AS wsrep_last_committed_diff;
--enable_query_log
DROP TABLE t1;
|
