1'#---------------------BS_STVARS_026_01----------------------#'
2SELECT COUNT(@@GLOBAL.innodb_doublewrite);
3COUNT(@@GLOBAL.innodb_doublewrite)
41
51 Expected
6'#---------------------BS_STVARS_026_02----------------------#'
7SET @@GLOBAL.innodb_doublewrite=1;
8ERROR HY000: Variable 'innodb_doublewrite' is a read only variable
9Expected error 'Read only variable'
10SELECT COUNT(@@GLOBAL.innodb_doublewrite);
11COUNT(@@GLOBAL.innodb_doublewrite)
121
131 Expected
14'#---------------------BS_STVARS_026_03----------------------#'
15SELECT IF(@@GLOBAL.innodb_doublewrite, "ON", "OFF") = VARIABLE_VALUE
16FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
17WHERE VARIABLE_NAME='innodb_doublewrite';
18IF(@@GLOBAL.innodb_doublewrite, "ON", "OFF") = VARIABLE_VALUE
191
201 Expected
21SELECT COUNT(@@GLOBAL.innodb_doublewrite);
22COUNT(@@GLOBAL.innodb_doublewrite)
231
241 Expected
25SELECT COUNT(VARIABLE_VALUE)
26FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
27WHERE VARIABLE_NAME='innodb_doublewrite';
28COUNT(VARIABLE_VALUE)
291
301 Expected
31'#---------------------BS_STVARS_026_04----------------------#'
32SELECT @@innodb_doublewrite = @@GLOBAL.innodb_doublewrite;
33@@innodb_doublewrite = @@GLOBAL.innodb_doublewrite
341
351 Expected
36'#---------------------BS_STVARS_026_05----------------------#'
37SELECT COUNT(@@innodb_doublewrite);
38COUNT(@@innodb_doublewrite)
391
401 Expected
41SELECT COUNT(@@local.innodb_doublewrite);
42ERROR HY000: Variable 'innodb_doublewrite' is a GLOBAL variable
43Expected error 'Variable is a GLOBAL variable'
44SELECT COUNT(@@SESSION.innodb_doublewrite);
45ERROR HY000: Variable 'innodb_doublewrite' is a GLOBAL variable
46Expected error 'Variable is a GLOBAL variable'
47SELECT COUNT(@@GLOBAL.innodb_doublewrite);
48COUNT(@@GLOBAL.innodb_doublewrite)
491
501 Expected
51SELECT innodb_doublewrite = @@SESSION.innodb_doublewrite;
52ERROR 42S22: Unknown column 'innodb_doublewrite' in 'field list'
53Expected error 'Readonly variable'
54