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问题描述
我想使用实时数据库中的数据来允许用户访问Firestore数据库.是否可以从Firestore安全规则中引用实时数据库中的节点?
I would like to use data in the realtime database to allow user access in the firestore database. Is it possible to reference nodes in the realtime database from the firestore security rules?
推荐答案
在安全规则中，目前无法在这样的数据库产品之间进行转换.请随时为此功能提交请求.
It is currently not possible to cross between database products like this in security rules. Please feel free to file a feature request for this.
但是，您可以编写代码以在更改发生后处理数据库更改的Cloud Functions上运行，并在此处撤消或限制更改.
You can, however, write code to run on Cloud Functions that deals with database changes after the change has happened, and undo or restrict the change there.
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