是否有可能在Firebase中自动汇总数据 [英] Is it possible to automatically aggregate data in Firebase

问题描述

我有一个集合，每个元素都有自己的计数器（一个数值）。 Firebase是否可以自动将这些数据聚合（减少）为单一值？

服务器端（即 firebase方面）答案是否。如果你的应用程序更简单/不安全，你会做客户端..但我想不是这样的。
假设你的应用程序的数据是分散的和安全的，你通常在你的服务器（它本身就是一个firebase客户端）上进行计算，数据返回到firebase。

I have a collection where every element has its own counter (a numeric value). Is it possible for Firebase to automatically aggregate (reduce) this data into a single value?

解决方案

Server-side (ie. "firebase-side") the answer is no.
if your app is simpler/not-secured, you'd do that client side.. but I guess it's not the case.
Assuming your app's data is fragmented and secured, you'd normally do this calculation on your server (which is itself, a firebase-client), and push this piece of data back to firebase.

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