func action(s string, db *sql.DB) map[string]interface{} {
        m := make(map[string]interface{});

        rows, _ := db.Query(s);
        cols, _ := rows.Columns();
        for rows.Next(){
                columns := make([]interface{},len(cols));
                cp := make([]interface{},len(cols));
                for i, _:=range columns{
                        cp[i]=&columns[i];
                }
                if err :=rows.Scan(cp...); err!=nil{
                        checkErr(err)
                }

                for i, colName :=range cols{
                        val := cp[i].(*interface{});
                        m[i][colName] =*val
                }
        }
        return m;
}