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'#---------------------BS_STVARS_026_01----------------------#'
SELECT COUNT(@@GLOBAL.innodb_doublewrite);
COUNT(@@GLOBAL.innodb_doublewrite)
1
1 Expected
'#---------------------BS_STVARS_026_02----------------------#'
SET @@GLOBAL.innodb_doublewrite=1;
ERROR HY000: Variable 'innodb_doublewrite' is a read only variable
Expected error 'Read only variable'
SELECT COUNT(@@GLOBAL.innodb_doublewrite);
COUNT(@@GLOBAL.innodb_doublewrite)
1
1 Expected
'#---------------------BS_STVARS_026_03----------------------#'
SELECT @@GLOBAL.innodb_doublewrite = VARIABLE_VALUE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_doublewrite';
@@GLOBAL.innodb_doublewrite = VARIABLE_VALUE
0
1 Expected
SELECT COUNT(@@GLOBAL.innodb_doublewrite);
COUNT(@@GLOBAL.innodb_doublewrite)
1
1 Expected
SELECT COUNT(VARIABLE_VALUE)
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_doublewrite';
COUNT(VARIABLE_VALUE)
1
1 Expected
'#---------------------BS_STVARS_026_04----------------------#'
SELECT @@innodb_doublewrite = @@GLOBAL.innodb_doublewrite;
@@innodb_doublewrite = @@GLOBAL.innodb_doublewrite
1
1 Expected
'#---------------------BS_STVARS_026_05----------------------#'
SELECT COUNT(@@innodb_doublewrite);
COUNT(@@innodb_doublewrite)
1
1 Expected
SELECT COUNT(@@local.innodb_doublewrite);
ERROR HY000: Variable 'innodb_doublewrite' is a GLOBAL variable
Expected error 'Variable is a GLOBAL variable'
SELECT COUNT(@@SESSION.innodb_doublewrite);
ERROR HY000: Variable 'innodb_doublewrite' is a GLOBAL variable
Expected error 'Variable is a GLOBAL variable'
SELECT COUNT(@@GLOBAL.innodb_doublewrite);
COUNT(@@GLOBAL.innodb_doublewrite)
1
1 Expected
SELECT innodb_doublewrite = @@SESSION.innodb_doublewrite;
ERROR 42S22: Unknown column 'innodb_doublewrite' in 'field list'
Expected error 'Readonly variable'
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