/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

1 vote346 views1 answer
Java jtextfield text bold
Java
10 votes391 views2 answers
Maven test class
Java
1 vote314 views1 answer
Java string to charsequence
Java
0 vote381 views1 answer
Candies price hackerearth solution in java
Java
4 votes376 views1 answer
Java fps
Java
2 votes361 views3 answers
Add comment in java
Java
1 vote348 views1 answer
Override tostring
Java
1 vote377 views1 answer
Clear array java
Java
1 vote374 views1 answer
Show confirmation dialog java android
Java
0 vote358 views1 answer
$JAVA_HOME ENV
Java