1
'#---------------------BS_STVARS_042_01----------------------#'
2
SELECT COUNT(@@GLOBAL.myisam_use_mmap);
3
COUNT(@@GLOBAL.myisam_use_mmap)
6
'#---------------------BS_STVARS_042_02----------------------#'
7
"BUG:It should give error on setting this variable as it is readonly variable"
8
Expected error 'Read only variable'
9
SELECT COUNT(@@GLOBAL.myisam_use_mmap);
10
COUNT(@@GLOBAL.myisam_use_mmap)
13
'#---------------------BS_STVARS_042_03----------------------#'
14
SELECT IF(@@GLOBAL.myisam_use_mmap, "ON", "OFF") = VARIABLE_VALUE
15
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
16
WHERE VARIABLE_NAME='myisam_use_mmap';
17
IF(@@GLOBAL.myisam_use_mmap, "ON", "OFF") = VARIABLE_VALUE
20
SELECT COUNT(@@GLOBAL.myisam_use_mmap);
21
COUNT(@@GLOBAL.myisam_use_mmap)
24
SELECT COUNT(VARIABLE_VALUE)
25
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
26
WHERE VARIABLE_NAME='myisam_use_mmap';
30
'#---------------------BS_STVARS_042_04----------------------#'
31
SELECT @@myisam_use_mmap = @@GLOBAL.myisam_use_mmap;
32
@@myisam_use_mmap = @@GLOBAL.myisam_use_mmap
35
'#---------------------BS_STVARS_042_05----------------------#'
36
SELECT COUNT(@@myisam_use_mmap);
37
COUNT(@@myisam_use_mmap)
40
SELECT COUNT(@@local.myisam_use_mmap);
41
ERROR HY000: Variable 'myisam_use_mmap' is a GLOBAL variable
42
Expected error 'Variable is a GLOBAL variable'
43
SELECT COUNT(@@SESSION.myisam_use_mmap);
44
ERROR HY000: Variable 'myisam_use_mmap' is a GLOBAL variable
45
Expected error 'Variable is a GLOBAL variable'
46
SELECT COUNT(@@GLOBAL.myisam_use_mmap);
47
COUNT(@@GLOBAL.myisam_use_mmap)
50
SELECT myisam_use_mmap = @@SESSION.myisam_use_mmap;
51
ERROR 42S22: Unknown column 'myisam_use_mmap' in 'field list'
52
Expected error 'Readonly variable'