/Java/Document.set() firebasefirestore java

Document.set() firebasefirestore java

Firestore set a document

let data = {
  name: 'Los Angeles',
  state: 'CA',
  country: 'USA'
};

// Add a new document in collection "cities" with ID 'LA'
let setDoc = db.collection('cities').doc('LA').set(data);

Document.set() firebasefirestore java

var washingtonRef = db.collection("cities").doc("DC");
// Atomically add a new region to the "regions" array field.
washingtonRef.update({
    regions: firebase.firestore.FieldValue.arrayUnion("greater_virginia")
});
// Atomically remove a region from the "regions" array field.
washingtonRef.update({
    regions: firebase.firestore.FieldValue.arrayRemove("east_coast")
});

Source: medium.com

Similar codes

3 votes165 views1 answer
How to make phone vibrate android studio
Java
2 votes157 views1 answer
Zufallszahlen in java
Java
0 vote156 views1 answer
Arrays in constructor java
Java
2 votes150 views1 answer
Android retrofit get @query
Java
0 vote188 views1 answer
Android studio constraint layout proportional height
Java
1 vote143 views1 answer
Dagger kapt dependency and plugin
Java
0 vote179 views1 answer
Spring boot swagger ui 401
Java Spring
10 votes156 views3 answers
Java date string
Java
0 vote161 views2 answers
String array to stringbuilder array java
Java
0 vote161 views1 answer
Usaco 2018 january contest
Java