use batch insert for values, to speedup SQL operation

messageworker/main.go

@@ -42,6 +42,7 @@ func Run() {
 				queue.MainQueue.Enqueue(taskData, 60)
 				return
 			}
+			valuesToInsert := []tables.Value{}
 			for key, value := range jsonData {
 				valueType := database.GetOrCreateValueType(key)
 				dbValue := tables.Value{
@@ -50,8 +51,9 @@ func Run() {
 					Value:     helper.AnyToString(value),
 					Instance:  instance,
 				}
-				database.Db.Create(&dbValue)
+				valuesToInsert = append(valuesToInsert, dbValue)
 			}
+			database.Db.Create(&valuesToInsert)
 			log.Log.Info("Stored boiler data in database")
 		}()
 	}