blob: a285cc14a010751be7adbbd7edce92acc1db04b4 (
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
|
SET @start_global_value = @@global.innodb_old_blocks_time;
SELECT @start_global_value;
@start_global_value
0
Valid values are zero or above
select @@global.innodb_old_blocks_time >=0;
@@global.innodb_old_blocks_time >=0
1
select @@global.innodb_old_blocks_time;
@@global.innodb_old_blocks_time
0
select @@session.innodb_old_blocks_time;
ERROR HY000: Variable 'innodb_old_blocks_time' is a GLOBAL variable
show global variables like 'innodb_old_blocks_time';
Variable_name Value
innodb_old_blocks_time 0
show session variables like 'innodb_old_blocks_time';
Variable_name Value
innodb_old_blocks_time 0
select * from information_schema.global_variables where variable_name='innodb_old_blocks_time';
VARIABLE_NAME VARIABLE_VALUE
INNODB_OLD_BLOCKS_TIME 0
select * from information_schema.session_variables where variable_name='innodb_old_blocks_time';
VARIABLE_NAME VARIABLE_VALUE
INNODB_OLD_BLOCKS_TIME 0
set global innodb_old_blocks_time=10;
select @@global.innodb_old_blocks_time;
@@global.innodb_old_blocks_time
10
select * from information_schema.global_variables where variable_name='innodb_old_blocks_time';
VARIABLE_NAME VARIABLE_VALUE
INNODB_OLD_BLOCKS_TIME 10
select * from information_schema.session_variables where variable_name='innodb_old_blocks_time';
VARIABLE_NAME VARIABLE_VALUE
INNODB_OLD_BLOCKS_TIME 10
set session innodb_old_blocks_time=1;
ERROR HY000: Variable 'innodb_old_blocks_time' is a GLOBAL variable and should be set with SET GLOBAL
set global innodb_old_blocks_time=1.1;
ERROR 42000: Incorrect argument type to variable 'innodb_old_blocks_time'
set global innodb_old_blocks_time=1e1;
ERROR 42000: Incorrect argument type to variable 'innodb_old_blocks_time'
set global innodb_old_blocks_time="foo";
ERROR 42000: Incorrect argument type to variable 'innodb_old_blocks_time'
set global innodb_old_blocks_time=-7;
Warnings:
Warning 1292 Truncated incorrect innodb_old_blocks_time value: '-7'
select @@global.innodb_old_blocks_time;
@@global.innodb_old_blocks_time
0
select * from information_schema.global_variables where variable_name='innodb_old_blocks_time';
VARIABLE_NAME VARIABLE_VALUE
INNODB_OLD_BLOCKS_TIME 0
SET @@global.innodb_old_blocks_time = @start_global_value;
SELECT @@global.innodb_old_blocks_time;
@@global.innodb_old_blocks_time
0
|
