The method `collectionGroup` is not recognized as a function within the context of _firebase__WEBPACK_IMPORTED_MODULE_10__.usersCollection

Having an issue similar to the title. I am encountering an error while attempting to download my 'hives' using collectionGroup, and I'm unsure of how to resolve it.

view image details here

Below is the code snippet:

async fetchHives() {
            await fb.usersCollection
                .doc(fb.auth.currentUser.uid)
                .collectionGroup('hives')
                .onSnapshot(snapshot => {
                    let hivesArray = [];

                    snapshot.forEach(doc => {
                        let hive = doc.data();
                        hive.id = doc.id;

                        hivesArray.push(hive);
                    });

                    store.commit('setHives', hivesArray);
                });
        },
javascriptvue.jsgoogle-cloud-firestore

Answer №1

A collection group query cannot be restricted to a specific document within the database - there is no available API for that purpose. Instead, it must cover the entire database:

firebase.firestore().collectionGroup("hives")

To filter the results and only retrieve specific documents, you can apply filtering just like with any other query:

firebase.firestore().collectionGroup("hives")
    .where("someField", "==", true)

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