'#---------------------BS_STVARS_005_01----------------------#'
SELECT COUNT(@@SESSION.error_count);
COUNT(@@SESSION.error_count)
1
1 Expected
'#---------------------BS_STVARS_005_02----------------------#'
SET @@SESSION.error_count=1;
ERROR HY000: Variable 'error_count' is a read only variable
Expected error 'Read only variable'
SELECT COUNT(@@SESSION.error_count);
COUNT(@@SESSION.error_count)
1
1 Expected
'#---------------------BS_STVARS_005_03----------------------#'
SELECT @@SESSION.error_count = VARIABLE_VALUE 
FROM INFORMATION_SCHEMA.SESSION_VARIABLES 
WHERE VARIABLE_NAME='error_count';
@@SESSION.error_count = VARIABLE_VALUE
1
1 Expected
SELECT COUNT(@@SESSION.error_count);
COUNT(@@SESSION.error_count)
1
1 Expected
SELECT COUNT(VARIABLE_VALUE)
FROM INFORMATION_SCHEMA.SESSION_VARIABLES 
WHERE VARIABLE_NAME='error_count';
COUNT(VARIABLE_VALUE)
1
1 Expected
'#---------------------BS_STVARS_005_04----------------------#'
SELECT @@error_count = @@SESSION.error_count;
@@error_count = @@SESSION.error_count
1
1 Expected
'#---------------------BS_STVARS_005_05----------------------#'
SELECT COUNT(@@error_count);
COUNT(@@error_count)
1
1 Expected
SELECT COUNT(@@local.error_count);
COUNT(@@local.error_count)
1
1 Expected
SELECT COUNT(@@SESSION.error_count);
COUNT(@@SESSION.error_count)
1
1 Expected
SELECT COUNT(@@GLOBAL.error_count);
ERROR HY000: Variable 'error_count' is a SESSION variable
Expected error 'Variable is a SESSION variable'
SELECT COUNT(error_count = @@GLOBAL.error_count);
ERROR 42S22: Unknown column 'error_count' in 'field list'
Expected error 'Readonly variable'