func PopulateData(r *sql.Rows) (result []interface{}) {
    cols, _ := r.Columns()
    columns := make([]interface{}, len(cols))
    columnsPtr := make([]interface{}, len(cols))
    for i, _ := range columns {
        columnsPtr[i] = &columns[i]
    }
    for r.Next() {
        item := make(map[string]string)

        if err := r.Scan(columnsPtr...); err != nil {
            log.Fatal(err)
        }
        for i, colName := range cols {
            val := columnsPtr[i].(*interface{})
            if *val == nil {
                item[colName] = ""
            } else {
                item[colName] = Sprintf("%s", *val)
            }
        }

        result = append(result, item)
    }

    return result
}