google-cloud-firestore

问题 I am new to nodejs and Google Cloud FireStore. So here is my code. createNewPage = function (title, header, content, db ) { let pageRef = db.collection("pages").doc(title.trim()); let setPage = pageRef.set({ title: title, header: header, content: content }); return pageRef; } const printPage = function(Page) { Page.get().then(snapshot => { if (snapshot.empty){ console.log("No matching documents"); return; } snapshot.forEach(doc => { console.log(doc.id, '=>',doc.data()) }) }) .catch(err => {

问题 I have a Firestore that contains a collection (Items) that contains subcollections (called "things"). When I get my Items collection I get all of the child documents but none of the child collections. I would like to do a deep retrieval, one object called Items that contains the sub-collections. I understand this is not possible out of the box, but I am struggling to write the code myself to do this. Can anyone help? constructor(public afs: AngularFirestore) { //this.items = this.afs

问题 I have a Firestore that contains a collection (Items) that contains subcollections (called "things"). When I get my Items collection I get all of the child documents but none of the child collections. I would like to do a deep retrieval, one object called Items that contains the sub-collections. I understand this is not possible out of the box, but I am struggling to write the code myself to do this. Can anyone help? constructor(public afs: AngularFirestore) { //this.items = this.afs

问题 I have a Firestore that contains a collection (Items) that contains subcollections (called "things"). When I get my Items collection I get all of the child documents but none of the child collections. I would like to do a deep retrieval, one object called Items that contains the sub-collections. I understand this is not possible out of the box, but I am struggling to write the code myself to do this. Can anyone help? constructor(public afs: AngularFirestore) { //this.items = this.afs

问题 This question already has an answer here : Firestore: Are ids unique in the collection or globally? (1 answer) Closed 1 year ago . What i mean- if we collect all the ids(auto-generated) from the all collections and sub-collections and etc. Will all of them unique? What for? I'am building a new feature, where users can share their items from sub-collections, so I am not sure - can I use same id between users sub-collections. Thanks! 回答1: Firestore document IDs must be unique within the same

问题 This question already has an answer here : Firestore: Are ids unique in the collection or globally? (1 answer) Closed 1 year ago . What i mean- if we collect all the ids(auto-generated) from the all collections and sub-collections and etc. Will all of them unique? What for? I'am building a new feature, where users can share their items from sub-collections, so I am not sure - can I use same id between users sub-collections. Thanks! 回答1: Firestore document IDs must be unique within the same

问题 I've create android application in which we used Firestore database. I want to update firebase document within time. Firestore is quick to post on server but when there is any connection issue then it taking time to save on Firestore My task is if User tried to update withing few seconds eg 20 seconds if user can't post that data on server withing 20 seconds then later on that update should not be post on server If user is online and have good connection then there is no problem but if there

问题 I've create android application in which we used Firestore database. I want to update firebase document within time. Firestore is quick to post on server but when there is any connection issue then it taking time to save on Firestore My task is if User tried to update withing few seconds eg 20 seconds if user can't post that data on server withing 20 seconds then later on that update should not be post on server If user is online and have good connection then there is no problem but if there

问题 I'm doing a web application in Angular 6 and the library angularfire2. I have two collections, teams and users . If a team's name is changed, the team's name must also be changed inside of the user's document. export interface User { firstName: string; emailAddress: string; team: TeamId; } export interface UserId extends User { id: string; } export interface Team { name: string; abbreviation?: string; } export interface TeamId extends Team { id: string; } Class: const team: Team = { name:

问题 Data structure: houses (collection) name (string) users (map) 90c234jc23 (map) percentage: 100% (string/number) Rules: allow read: request.auth.uid in resource.data.users; The problem is when I try to query houses which user owns: FirebaseFirestore.getInstance().collection(House.COLLECTION) // .whereArrayContains(House.USERS_FIELD, currentUser.getUid()) // does not work .whereEqualTo("users." + currentUser.getUid(), currentUser.getUid()) // does not work either .get() No result are returned.