feat: add support for time.Duration write and scan

internal/proto/scan.go

@@ -105,6 +105,13 @@ func Scan(b []byte, v interface{}) error {
 		var err error
 		*v, err = time.Parse(time.RFC3339Nano, util.BytesToString(b))
 		return err
+	case *time.Duration:
+		n, err := util.ParseInt(b, 10, 64)
+		if err != nil {
+			return err
+		}
+		*v = time.Duration(n)
+		return nil
 	case encoding.BinaryUnmarshaler:
 		return v.UnmarshalBinary(b)
 	default:

internal/proto/writer.go

@@ -98,6 +98,8 @@ func (w *Writer) WriteArg(v interface{}) error {
 	case time.Time:
 		w.numBuf = v.AppendFormat(w.numBuf[:0], time.RFC3339Nano)
 		return w.bytes(w.numBuf)
+	case time.Duration:
+		return w.int(v.Nanoseconds())
 	case encoding.BinaryMarshaler:
 		b, err := v.MarshalBinary()
 		if err != nil {