func (s3Select *S3Select) Close() error {
	if s3Select.recordReader == nil {
		return nil
	}
	return s3Select.recordReader.Close()
}

// NewS3Select - creates new S3Select by given request XML reader.
func NewS3Select(r io.Reader) (*S3Select, error) {
	s3Select := &S3Select{}
	if err := xml.NewDecoder(r).Decode(s3Select); err != nil {
		return nil, err
	}

	return s3Select, nil
}