WebMay 1, 2024 · ref.where (ref.doc ('content') == 'test2').get ().then ( (QuerySnapshot snapshot) { snapshot.docs.forEach ( (document) { print (document.id); }); }); How can I … WebApr 9, 2024 · I think this could be the issue since we need to give the document ID to go and actually retrieve the sub-collection and the field inside it, but also I don't know how I could give the document ID of the current user. I am really new to using flutter and firebase and I want to pursue a career in this field by creating applications.

Flutter firestore - Check if document ID already exists

WebNov 12, 2024 · The task is to store Firebase User UID as Firestore Document ID of the rool Collection called "users" when the user sign up. The problem I am having is the … Web问题是您只能更新特定字段 我想这样做： fs.collection("users").document(user.id).update(user) fs.collection("users").document(user.id).update("firstname", user) 问题是Kotlin强制更新字段，如下所示： fs.collection("users").document(user.id).update(user) fs.collection. 我想 … linux is based on which operating system

javascript - Google Firestore - How to get several documents by ...

WebNov 28, 2024 · You cannot call document() directly on your Firestore.instance. To solve this, you should use something like this: var document = await … WebDec 20, 2024 · You must understand that to update a firestore document, you must keep a reference of the document id in the document itself. You can think of this as the primary key for the document. There are two ways to do this. 1. Get a reference to the newly created document, and then get the id from the reference. Then update the document … WebJun 5, 2024 · 1 Answer. You can do something like this while adding your data. const postDocRef=firebaseClient.firestore ().collection ('post_details').doc (); await postDocRef.set ( { post_pid: postDocRef.id, // ....rest of your data }); We get a document reference first and then we get the id property. linux is based on