Ordering and limiting Firestore queries in descending order

Ordering and limiting Firestore queries in descending order

Explore further

For detailed documentation that includes this code sample, see the following:

Code sample

C#

To authenticate to Firestore, set up Application Default Credentials. For more information, see Set up authentication for a local development environment. 

Query query = citiesRef.OrderByDescending("Name").Limit(3);

Go

To authenticate to Firestore, set up Application Default Credentials. For more information, see Set up authentication for a local development environment. 

query := cities.OrderBy("name", firestore.Desc).Limit(3)

Java

To authenticate to Firestore, set up Application Default Credentials. For more information, see Set up authentication for a local development environment. 

Query query = cities.orderBy("name", Direction.DESCENDING).limit(3);

Node.js

To authenticate to Firestore, set up Application Default Credentials. For more information, see Set up authentication for a local development environment. 

const lastThreeRes = await citiesRef.orderBy('name', 'desc').limit(3).get();

PHP

To authenticate to Firestore, set up Application Default Credentials. For more information, see Set up authentication for a local development environment. 

$query = $citiesRef->orderBy('name', 'DESC')->limit(3);

Python

To authenticate to Firestore, set up Application Default Credentials. For more information, see Set up authentication for a local development environment. 

cities_ref = db.collection("cities")
query = cities_ref.order_by("name", direction=firestore.Query.DESCENDING).limit(3)
results = query.stream()

Ruby

To authenticate to Firestore, set up Application Default Credentials. For more information, see Set up authentication for a local development environment. 

query = cities_ref.order("name", "desc").limit(3)

What's next

To search and filter code samples for other Google Cloud products, see the Google Cloud sample browser.