use of existing row id

dalmdl/corefdb/bucket.go

@@ -551,12 +551,18 @@ func SaveMediaInFDB(dbName string, indexID string, mediaData []byte, rs *gjson.R
 		loggermdl.LogError(err)
 		return recordPath, err
 	}
-	rowID := guidmdl.GetGUID()
-	json, _ = sjson.Set(json, "rowID", rowID)
+	rowID := ""
 	// path = path + ".json"
 	err = index.indexObj.Update(func(tx *buntdb.Tx) error {
 		// optimization : if data not changed then dont update
-		_, _, err := tx.Set(path, json, nil)
+		prevVal, err := tx.Get(path, false)
+		rowID = gjson.Parse(prevVal).Get("rowID").String()
+
+		if rowID == "" {
+			rowID = guidmdl.GetGUID()
+		}
+		json, _ = sjson.Set(json, "rowID", rowID)
+		_, _, err = tx.Set(path, json, nil)
 		if err != nil {
 			loggermdl.LogError(err)
 			return err