public function readAll($sql, $calcFoundRows = false)
    {
        $result = $this->read($calcFoundRows ? $this->insertPagingFlag($sql) : $sql);
        $rows = $result->fetchAll(PDO::FETCH_ASSOC);
        //$this->convertDatesInRows($result, $rows);
        unset($result);
        unset($sql);
        return $rows;
    }