#
# show the global and session values;
#
--replace_column 1 #
select @@global.open_files_limit;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
select @@session.open_files_limit;
--replace_column 2 #
show global variables like 'open_files_limit';
--replace_column 2 #
show session variables like 'open_files_limit';
--replace_column 2 #
select * from information_schema.global_variables where variable_name='open_files_limit';
--replace_column 2 #
select * from information_schema.session_variables where variable_name='open_files_limit';

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