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
|
#
# 2010-01-27 - Added
#
--source include/have_innodb.inc
SET @start_global_value = @@global.innodb_thread_sleep_delay;
SELECT @start_global_value;
#
# exists as global only
#
--echo Valid values are zero or above
select @@global.innodb_thread_sleep_delay >=0;
select @@global.innodb_thread_sleep_delay;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
select @@session.innodb_thread_sleep_delay;
show global variables like 'innodb_thread_sleep_delay';
show session variables like 'innodb_thread_sleep_delay';
select * from information_schema.global_variables where variable_name='innodb_thread_sleep_delay';
select * from information_schema.session_variables where variable_name='innodb_thread_sleep_delay';
#
# show that it's writable
#
set global innodb_thread_sleep_delay=10;
select @@global.innodb_thread_sleep_delay;
select * from information_schema.global_variables where variable_name='innodb_thread_sleep_delay';
select * from information_schema.session_variables where variable_name='innodb_thread_sleep_delay';
--error ER_GLOBAL_VARIABLE
set session innodb_thread_sleep_delay=1;
#
# incorrect types
#
--error ER_WRONG_TYPE_FOR_VAR
set global innodb_thread_sleep_delay=1.1;
--error ER_WRONG_TYPE_FOR_VAR
set global innodb_thread_sleep_delay=1e1;
--error ER_WRONG_TYPE_FOR_VAR
set global innodb_thread_sleep_delay="foo";
set global innodb_thread_sleep_delay=18446744073709551616;
set global innodb_thread_sleep_delay=-7;
select @@global.innodb_thread_sleep_delay;
select * from information_schema.global_variables where variable_name='innodb_thread_sleep_delay';
#
# correct/overflowed values
#
set global innodb_thread_sleep_delay=0;
select @@global.innodb_thread_sleep_delay;
set global innodb_thread_sleep_delay=1000;
select @@global.innodb_thread_sleep_delay;
set global innodb_thread_sleep_delay=1000000;
select @@global.innodb_thread_sleep_delay;
set global innodb_thread_sleep_delay=1000001;
select @@global.innodb_thread_sleep_delay;
set global innodb_thread_sleep_delay=4294967295;
select @@global.innodb_thread_sleep_delay;
set global innodb_thread_sleep_delay=555;
select @@global.innodb_thread_sleep_delay;
#
# cleanup
#
SET @@global.innodb_thread_sleep_delay = @start_global_value;
SELECT @@global.innodb_thread_sleep_delay;
|
