'#---------------------BS_STVARS_054_01----------------------#'
SELECT COUNT(@@GLOBAL.version_comment);
COUNT(@@GLOBAL.version_comment)
1
1 Expected
'#---------------------BS_STVARS_054_02----------------------#'
SET @@GLOBAL.version_comment=1;
ERROR HY000: Variable 'version_comment' is a read only variable
Expected error 'Read only variable'
SELECT COUNT(@@GLOBAL.version_comment);
COUNT(@@GLOBAL.version_comment)
1
1 Expected
'#---------------------BS_STVARS_054_03----------------------#'
SELECT @@GLOBAL.version_comment = VARIABLE_VALUE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='version_comment';
@@GLOBAL.version_comment = VARIABLE_VALUE
1
1 Expected
SELECT COUNT(@@GLOBAL.version_comment);
COUNT(@@GLOBAL.version_comment)
1
1 Expected
SELECT COUNT(VARIABLE_VALUE)
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES 
WHERE VARIABLE_NAME='version_comment';
COUNT(VARIABLE_VALUE)
1
1 Expected
'#---------------------BS_STVARS_054_04----------------------#'
SELECT @@version_comment = @@GLOBAL.version_comment;
@@version_comment = @@GLOBAL.version_comment
1
1 Expected
'#---------------------BS_STVARS_054_05----------------------#'
SELECT COUNT(@@version_comment);
COUNT(@@version_comment)
1
1 Expected
SELECT COUNT(@@local.version_comment);
ERROR HY000: Variable 'version_comment' is a GLOBAL variable
Expected error 'Variable is a GLOBAL variable'
SELECT COUNT(@@SESSION.version_comment);
ERROR HY000: Variable 'version_comment' is a GLOBAL variable
Expected error 'Variable is a GLOBAL variable'
SELECT COUNT(@@GLOBAL.version_comment);
COUNT(@@GLOBAL.version_comment)
1
1 Expected
SELECT version_comment = @@SESSION.version_comment;
ERROR 42S22: Unknown column 'version_comment' in 'field list'
Expected error 'Readonly variable'
