'#---------------------BS_STVARS_015_01----------------------#'
SELECT COUNT(@@GLOBAL.have_query_cache);
COUNT(@@GLOBAL.have_query_cache)
1
1 Expected
'#---------------------BS_STVARS_015_02----------------------#'
SET @@GLOBAL.have_query_cache=1;
ERROR HY000: Variable 'have_query_cache' is a read only variable
Expected error 'Read only variable'
SELECT COUNT(@@GLOBAL.have_query_cache);
COUNT(@@GLOBAL.have_query_cache)
1
1 Expected
'#---------------------BS_STVARS_015_03----------------------#'
SELECT @@GLOBAL.have_query_cache = VARIABLE_VALUE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='have_query_cache';
@@GLOBAL.have_query_cache = VARIABLE_VALUE
1
1 Expected
SELECT COUNT(@@GLOBAL.have_query_cache);
COUNT(@@GLOBAL.have_query_cache)
1
1 Expected
SELECT COUNT(VARIABLE_VALUE)
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES 
WHERE VARIABLE_NAME='have_query_cache';
COUNT(VARIABLE_VALUE)
1
1 Expected
'#---------------------BS_STVARS_015_04----------------------#'
SELECT @@have_query_cache = @@GLOBAL.have_query_cache;
@@have_query_cache = @@GLOBAL.have_query_cache
1
1 Expected
'#---------------------BS_STVARS_015_05----------------------#'
SELECT COUNT(@@have_query_cache);
COUNT(@@have_query_cache)
1
1 Expected
SELECT COUNT(@@local.have_query_cache);
ERROR HY000: Variable 'have_query_cache' is a GLOBAL variable
Expected error 'Variable is a GLOBAL variable'
SELECT COUNT(@@SESSION.have_query_cache);
ERROR HY000: Variable 'have_query_cache' is a GLOBAL variable
Expected error 'Variable is a GLOBAL variable'
SELECT COUNT(@@GLOBAL.have_query_cache);
COUNT(@@GLOBAL.have_query_cache)
1
1 Expected
SELECT have_query_cache = @@SESSION.have_query_cache;
ERROR 42S22: Unknown column 'have_query_cache' in 'field list'
Expected error 'Readonly variable'
