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

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