CREATE DATABASE db1;
CREATE USER u@localhost IDENTIFIED BY 'pw';
set global log_warnings=2;
connect(localhost,u,pw,db1,MASTER_PORT,MASTER_SOCKET);
connect con1,localhost,u,pw,db1;
ERROR 42000: Access denied for user 'u'@'localhost' to database 'db1'
connection default;
FOUND 1 /Access denied for user 'u'@'localhost' to database 'db1'/ in mysqld.1.err
set global log_warnings=@@log_warnings;
DROP DATABASE db1;
DROP USER u@localhost;