Select with Zend\Db\TableGateway\TableGateway with an empty table

gistfile1.aw

// The table queue is empty, I got this Fatal error: Uncaught exception 'Zend\Db\Adapter\Exception\InvalidQueryException' with message 'No database selected' in /.../library/Zend/Db/Adapter/Driver/Pdo/Statement.php on line 219 

use Zend\Db\TableGateway\TableGateway,
    Zend\Db\Adapter\Adapter as DbAdapter;

$options = array(
    'driver'   => 'pdo_mysql',
    'username' => 'queue',
    'password' => 'xxx',
    'dbname'   => 'queue',
    'port'     => '3306',
    'host'     => 'localhost'
);

$db = new DbAdapter($options);
$table = new TableGateway('queue', $db);

$name ='test';
$rowset = $table->select(array('queue_name' => $name));

if (!empty($rowset)) {
    $queue = $rowset->current();
}

var_dump($queue);