1+{ 2 connect_info => +{ 3 DB_W => +{ 4 attrs => +{ 5 AutoCommit => 0, 6 PrintError => 0, 7 RaiseError => 1, 8 Warn => 0, 9 }, 10 dsn => 'dbi:mysql:dbname=user;host=db_w', 11 password => undef, 12 user => 'hoge', 13 }, 14 }, 15}; 16