record.go
func (r Record) GetString(column string) (string, error) {
	v, err := r.getKey(reflect.String, column)
	if err != nil {
		return "", err
	}

	return v.(string), nil
}
func (r Record) GetString(column string) (string, error) {
	v, err := r.getKey(reflect.String, column)
	if err != nil {
		return "", err
	}

	return v.(string), nil
}
// GetString returns a string value for a specific column.