func row2mapStr(rows *core.Rows, fields []string) (resultsMap map[string]string, err error) { result := make(map[string]string) scanResultContainers := make([]interface{}, len(fields)) for i := 0; i < len(fields); i++ { var scanResultContainer interface{} scanResultContainers[i] = &scanResultContainer } if err := rows.Scan(scanResultContainers...); err != nil { return nil, err } for ii, key := range fields { rawValue := reflect.Indirect(reflect.ValueOf(scanResultContainers[ii])) //if row is null then ignore if rawValue.Interface() == nil { //fmt.Println("ignore ...", key, rawValue) continue } if data, err := value2String(&rawValue); err == nil { result[key] = data } else { return nil, err // !nashtsai! REVIEW, should return err or just error log? } } return result, nil }