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
|
#
# wsrep_dirty_reads
#
# save the initial value
SET @wsrep_dirty_reads_session_saved = @@session.wsrep_dirty_reads;
# default
SELECT @@global.wsrep_dirty_reads;
@@global.wsrep_dirty_reads
0
SELECT @@session.wsrep_dirty_reads;
@@session.wsrep_dirty_reads
0
# valid values for session
SET @@session.wsrep_dirty_reads=OFF;
SELECT @@session.wsrep_dirty_reads;
@@session.wsrep_dirty_reads
0
SET @@session.wsrep_dirty_reads=ON;
SELECT @@session.wsrep_dirty_reads;
@@session.wsrep_dirty_reads
1
SET @@session.wsrep_dirty_reads=default;
SELECT @@session.wsrep_dirty_reads;
@@session.wsrep_dirty_reads
0
# valid values for global
SET @@global.wsrep_dirty_reads=OFF;
SELECT @@global.wsrep_dirty_reads;
@@global.wsrep_dirty_reads
0
SET @@global.wsrep_dirty_reads=ON;
SELECT @@global.wsrep_dirty_reads;
@@global.wsrep_dirty_reads
1
SET @@global.wsrep_dirty_reads=default;
SELECT @@global.wsrep_dirty_reads;
@@global.wsrep_dirty_reads
0
# invalid values
SET @@session.wsrep_dirty_reads=NULL;
ERROR 42000: Variable 'wsrep_dirty_reads' can't be set to the value of 'NULL'
SET @@session.wsrep_dirty_reads='junk';
ERROR 42000: Variable 'wsrep_dirty_reads' can't be set to the value of 'junk'
SET @@global.wsrep_dirty_reads=NULL;
ERROR 42000: Variable 'wsrep_dirty_reads' can't be set to the value of 'NULL'
SET @@global.wsrep_dirty_reads='junk';
ERROR 42000: Variable 'wsrep_dirty_reads' can't be set to the value of 'junk'
# restore the initial values
SET @@session.wsrep_dirty_reads = @wsrep_dirty_reads_session_saved;
# End of test
|
