install plugin unix_socket soname 'auth_socket.so';
#
# with named user
#
create user 'USER' identified via unix_socket;
#
# name match = ok
#
select user(), current_user(), database();
user()	current_user()	database()
USER@localhost	USER@%	test
#
# name does not match = failure
#
drop user 'USER';
#
# and now with anonymous user
#
grant SELECT ON test.* TO '' identified via unix_socket;
#
# name match = ok
#
select user(), current_user(), database();
user()	current_user()	database()
USER@localhost	@%	test
#
# name does not match = failure
#
delete from mysql.user where user='';
FLUSH PRIVILEGES;
uninstall plugin unix_socket;