[ Avaa Bypassed ]

#
# only global
#
# 2010-01-20 OBN - Modified to include check for valid values
#                - Added check for variable value matching I_S tables
#
select @@global.lower_case_file_system=2;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
select @@session.lower_case_file_system;

# Show variable has a valid value
SELECT @@global.lower_case_file_system in (0,1);

# Show that value of the variable matches the value in the GLOBAL I_S table
SELECT IF(@@global.lower_case_file_system, "ON", "OFF") = VARIABLE_VALUE 
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES 
WHERE VARIABLE_NAME='lower_case_file_system';

# Show that value of the variable matches the value in the SESSION I_S table
SELECT IF(@@global.lower_case_file_system, "ON", "OFF") = VARIABLE_VALUE 
FROM INFORMATION_SCHEMA.SESSION_VARIABLES 
WHERE VARIABLE_NAME='lower_case_file_system';

#
# show that it's read-only
#
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
set global lower_case_file_system=1;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
set session lower_case_file_system=1;