public function getContent($limit = 0)
    {
        $this->registry[$this->section] = parent::getContent();

        if (empty($this->registry[$this->section])) {

            $sql = sprintf('SELECT * FROM `%s`;', $this->mysql->quote($this->section));
            $result = $this->mysql->query($sql);

            if (false === $result) {

                $this->throwException(
                    'Failed to fetch information from the registry: ',
                    $this->mysql->errorInfo()
                );
            }

            $this->registry[$this->section] = $this->processResult($result->fetchAll(\PDO::FETCH_ASSOC));
        }

        return $this->registry[$this->section];
    }