#
# only global
#

#
# Don't rely on being able to guess the correct default.
# -master.opt file for this test sets plugin_dir to a known directory
#
--replace_result $MYSQL_TMP_DIR MYSQL_TMP_DIR /mysql/ /
select @@global.plugin_dir;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
select @@session.plugin_dir;
--replace_result $MYSQL_TMP_DIR MYSQL_TMP_DIR /mysql/ /
show global variables like 'plugin_dir';
--replace_result $MYSQL_TMP_DIR MYSQL_TMP_DIR /mysql/ /
show session variables like 'plugin_dir';
--replace_result $MYSQL_TMP_DIR MYSQL_TMP_DIR /mysql/ /
select * from information_schema.global_variables where variable_name='plugin_dir';
--replace_result $MYSQL_TMP_DIR MYSQL_TMP_DIR /mysql/ /
select * from information_schema.session_variables where variable_name='plugin_dir';

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