1
SET @start_global_value = @@global.innodb_simulate_comp_failures;
2
SELECT @start_global_value;
5
Valid values are between 0 and 99
6
select @@global.innodb_simulate_comp_failures between 0 and 99;
7
@@global.innodb_simulate_comp_failures between 0 and 99
9
select @@global.innodb_simulate_comp_failures;
10
@@global.innodb_simulate_comp_failures
12
select @@session.innodb_simulate_comp_failures;
13
ERROR HY000: Variable 'innodb_simulate_comp_failures' is a GLOBAL variable
14
show global variables like 'innodb_simulate_comp_failures';
16
innodb_simulate_comp_failures 0
17
show session variables like 'innodb_simulate_comp_failures';
19
innodb_simulate_comp_failures 0
20
select * from information_schema.global_variables where variable_name='innodb_simulate_comp_failures';
21
VARIABLE_NAME VARIABLE_VALUE
22
INNODB_SIMULATE_COMP_FAILURES 0
23
select * from information_schema.session_variables where variable_name='innodb_simulate_comp_failures';
24
VARIABLE_NAME VARIABLE_VALUE
25
INNODB_SIMULATE_COMP_FAILURES 0
26
set global innodb_simulate_comp_failures=10;
27
select @@global.innodb_simulate_comp_failures;
28
@@global.innodb_simulate_comp_failures
30
select * from information_schema.global_variables where variable_name='innodb_simulate_comp_failures';
31
VARIABLE_NAME VARIABLE_VALUE
32
INNODB_SIMULATE_COMP_FAILURES 10
33
select * from information_schema.session_variables where variable_name='innodb_simulate_comp_failures';
34
VARIABLE_NAME VARIABLE_VALUE
35
INNODB_SIMULATE_COMP_FAILURES 10
36
set session innodb_simulate_comp_failures=1;
37
ERROR HY000: Variable 'innodb_simulate_comp_failures' is a GLOBAL variable and should be set with SET GLOBAL
38
set global innodb_simulate_comp_failures=1.1;
39
ERROR 42000: Incorrect argument type to variable 'innodb_simulate_comp_failures'
40
set global innodb_simulate_comp_failures=1e1;
41
ERROR 42000: Incorrect argument type to variable 'innodb_simulate_comp_failures'
42
set global innodb_simulate_comp_failures="foo";
43
ERROR 42000: Incorrect argument type to variable 'innodb_simulate_comp_failures'
44
set global innodb_simulate_comp_failures=-7;
46
Warning 1292 Truncated incorrect innodb_simulate_comp_failures value: '-7'
47
select @@global.innodb_simulate_comp_failures;
48
@@global.innodb_simulate_comp_failures
50
select * from information_schema.global_variables where variable_name='innodb_simulate_comp_failures';
51
VARIABLE_NAME VARIABLE_VALUE
52
INNODB_SIMULATE_COMP_FAILURES 0
53
set global innodb_simulate_comp_failures=106;
55
Warning 1292 Truncated incorrect innodb_simulate_comp_failures value: '106'
56
select @@global.innodb_simulate_comp_failures;
57
@@global.innodb_simulate_comp_failures
59
select * from information_schema.global_variables where variable_name='innodb_simulate_comp_failures';
60
VARIABLE_NAME VARIABLE_VALUE
61
INNODB_SIMULATE_COMP_FAILURES 99
62
set global innodb_simulate_comp_failures=0;
63
select @@global.innodb_simulate_comp_failures;
64
@@global.innodb_simulate_comp_failures
66
set global innodb_simulate_comp_failures=99;
67
select @@global.innodb_simulate_comp_failures;
68
@@global.innodb_simulate_comp_failures
70
set global innodb_simulate_comp_failures=DEFAULT;
71
select @@global.innodb_simulate_comp_failures;
72
@@global.innodb_simulate_comp_failures
74
SET @@global.innodb_simulate_comp_failures = @start_global_value;
75
SELECT @@global.innodb_simulate_comp_failures;
76
@@global.innodb_simulate_comp_failures