Get the data on a post that has been removedĬonsole.log('The blog post titled \'' + deletedPost.title + '\' has been deleted')
Public Post(String author, String title) Ĭonst ref = db.ref('server/saving-data/fireblog/posts') To read your post data, you can do the following: That the blog posts in the example app are stored at the database URL Let's revisit the blogging example from the previous article to understand how to read data from a Firebase database. That receive realtime update notifications. The Go Admin SDK currently only supports blocking reads. This model of data retrieval is supported in Python and Go Admin SDKs. That means the SDK does not register any callbacks that listen to subsequent data updates. Reference, which returns the data stored at the reference. This mode of data retrieval is supportedĭata stored in a Firebase Realtime Database is retrieved by invoking a blocking method on a database An event listener may receive several different The listener is triggered once for the initial state of the data andĪgain anytime the data changes. Data retrieval in the Admin SDK is implemented slightly differently across differentĭata stored in a Firebase Realtime Database is retrieved by attaching an asynchronous listener to aĭatabase reference. This document covers the basics of retrieving database data, how data is ordered, and how to perform
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