/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

12 votes124 views2 answers
Run spring boot application command line
Java
0 vote132 views1 answer
Public static void main(String[] args) in java
Java
0 vote125 views1 answer
Gif to blob java
Java
5 votes122 views2 answers
Getcolor deprecated
Java
0 vote148 views2 answers
How to get width android
Java
1 vote160 views1 answer
How to iterate a stack without iterator class
Java
26 votes127 views10 answers
Netflix
Java
0 vote182 views1 answer
2771270897
Java
0 vote126 views1 answer
How to declare and insert value to arraylist in same line in java
Java
0 vote129 views1 answer
Bukkit plugin player variable
Java