code: func (l *NullLob) Scan(src interface{}) error {
  	if src == nil {
  		l.Valid = false
  		return nil
  	}
  	if err := l.Lob.Scan(src); err != nil {
  		return err
  	}
  	l.Valid = true
  	return nil
  }
docs: // Scan implements the database/sql/Scanner interface.