Pimcore\Model\Object\QuantityValue\Unit\Dao::update PHP Method

    public function update()
    {
        $class = get_object_vars($this->model);
        foreach ($class as $key => $value) {
            if (in_array($key, $this->validColumns)) {
                if (is_array($value) || is_object($value)) {
                    $value = serialize($value);
                } elseif (is_bool($value)) {
                    $value = (int) $value;
                }
                $data[$key] = $value;
            }
        }
        $this->db->update(self::TABLE_NAME, $data, "id=" . $this->db->quote($this->model->getId()));
    }