public function query($fetchMode = null, $bind = array())
    {
        if (!empty($bind)) {
            $this->bind($bind);
        }

        $stmt = $this->_adapter->query($this);
        if ($fetchMode == null) {
            $fetchMode = $this->_adapter->getFetchMode();
        }
        $stmt->setFetchMode($fetchMode);
        return $stmt;
    }