#
# only global
#
select @@global.ignore_builtin_innodb;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
select @@session.ignore_builtin_innodb;
show global variables like 'ignore_builtin_innodb';
show session variables like 'ignore_builtin_innodb';
select * from information_schema.global_variables where variable_name='ignore_builtin_innodb';
select * from information_schema.session_variables where variable_name='ignore_builtin_innodb';

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