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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='';
uninstall plugin unix_socket;
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