'#---------------------BS_STVARS_044_01----------------------#'
SELECT COUNT(@@SESSION.sql_auto_is_null);
COUNT(@@SESSION.sql_auto_is_null)
1
1 Expected
'#---------------------BS_STVARS_044_02----------------------#'
SET @@SESSION.sql_auto_is_null=1;
"BUG:It should give error on setting this variable as it is readonly variable"
Expected error 'Read only variable'
SELECT COUNT(@@SESSION.sql_auto_is_null);
COUNT(@@SESSION.sql_auto_is_null)
1
1 Expected
'#---------------------BS_STVARS_044_03----------------------#'
SELECT @@SESSION.sql_auto_is_null = VARIABLE_VALUE 
FROM INFORMATION_SCHEMA.SESSION_VARIABLES 
WHERE VARIABLE_NAME='sql_auto_is_null';
@@SESSION.sql_auto_is_null = VARIABLE_VALUE
0
1 Expected
SELECT COUNT(@@SESSION.sql_auto_is_null);
COUNT(@@SESSION.sql_auto_is_null)
1
1 Expected
SELECT COUNT(VARIABLE_VALUE)
FROM INFORMATION_SCHEMA.SESSION_VARIABLES 
WHERE VARIABLE_NAME='sql_auto_is_null';
COUNT(VARIABLE_VALUE)
1
1 Expected
'#---------------------BS_STVARS_044_04----------------------#'
SELECT @@sql_auto_is_null = @@SESSION.sql_auto_is_null;
@@sql_auto_is_null = @@SESSION.sql_auto_is_null
1
1 Expected
'#---------------------BS_STVARS_044_05----------------------#'
SELECT COUNT(@@sql_auto_is_null);
COUNT(@@sql_auto_is_null)
1
1 Expected
SELECT COUNT(@@local.sql_auto_is_null);
COUNT(@@local.sql_auto_is_null)
1
1 Expected
SELECT COUNT(@@SESSION.sql_auto_is_null);
COUNT(@@SESSION.sql_auto_is_null)
1
1 Expected
SELECT COUNT(@@GLOBAL.sql_auto_is_null);
ERROR HY000: Variable 'sql_auto_is_null' is a SESSION variable
Expected error 'Variable is a SESSION variable'
SELECT COUNT(sql_auto_is_null = @@GLOBAL.sql_auto_is_null);
ERROR 42S22: Unknown column 'sql_auto_is_null' in 'field list'
Expected error 'Readonly variable'