/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

0 vote206 views1 answer
Java set get all not containing
Java
1 vote193 views1 answer
Play ringtone android in infinite loop
Java
25 votes202 views3 answers
Check last character of a string java
Java
0 vote242 views1 answer
Spring context xml definition
Java Spring
0 vote196 views1 answer
Public static void trong java là gì
Java
1 vote184 views1 answer
Passing array by reference java
Java
5 votes333 views6 answers
Spring boot tutorial
Java Spring
0 vote188 views1 answer
See date in java
Java
0 vote254 views1 answer
Is java good then c++ is good
Java
0 vote195 views2 answers
Java exception list
Java