All Firestore code samples

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

Add a Firestore document

Add a Firestore document

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• Adding data

Add a Firestore document using a custom type

Add a Firestore document using a custom type

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• Adding data

Add a Firestore document using a map

Add a Firestore document using a map

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• Adding data

Add a Firestore document using a nested map

Add a Firestore document using a nested map

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• Adding data

Add a Firestore document using an autogenerated id

Add a Firestore document using an autogenerated id

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• Adding data

Add a Firestore document with nested fields

Add a Firestore document with nested fields

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• Adding data

An example Firestore query with an invalid range

An example Firestore query with an invalid range

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• Querying and filtering data

An example of an invalid order and limit Firestore query

An example of an invalid order and limit Firestore query

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• Ordering and limiting data

Conditionally updating a Firestore document in a transaction

Conditionally updating a Firestore document in a transaction

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• Transactions and batched writes

Create a collection of Firestore documents

Create a collection of Firestore documents

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• Querying and filtering data

Create a Firestore collection reference

Create a Firestore collection reference

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• Data model

Create a Firestore document reference

Create a Firestore document reference

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• Data model

Create a Firestore document reference from a document path

Create a Firestore document reference from a document path

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• Data model

Create a Firestore document reference with an autogenerated id

Create a Firestore document reference with an autogenerated id

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• Adding data

Create a Firestore sharded counter

Create a Firestore sharded counter

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• Distributed counters

Create a Firestore subcollection reference

Create a Firestore subcollection reference

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• Data model

Create a Firestore watch listener

Create a Firestore watch listener

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• Getting real-time updates

Create Client with Project ID

Create Client with Project ID

Java PHP

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• Create a Firestore database by using a server client library

Create custom shard and counter types for Firestore distributed counters

Create custom shard and counter types for Firestore distributed counters

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• Distributed counters

Creating a Firestore client

Creating a Firestore client

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• Create a Firestore database by using a server client library

Delete a Firestore collection

Delete a Firestore collection and documents within.

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• Deleting data

Delete a Firestore document

Delete a single Firestore document

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• Deleting data

Delete a Firestore field

Delete a Firestore field

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• Deleting data

Get a Firestore document using custom types

Get a Firestore document using custom types

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• Getting data

Get all documents

Get all documents within a Firestore Collection

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• Getting data

Get Firestore Documents created from custom classes

Get Firestore Documents created from custom classes

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• Getting data
• Querying and filtering data

Get Firestore documents in nested collections

Get Firestore documents in nested collections

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• Getting data

Getting a Firestore document while using shards

Getting a Firestore document while using shards

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• Distributed counters

Getting Firestore documents from a collection

Getting Firestore documents from a collection

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• Create a Firestore database by using a server client library

Getting started with Firestore

Getting started with Firestore

Kotlin Node.js

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Handle Firestore watch listener errors

Handle Firestore watch listener errors

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• Getting real-time updates

Increment a Firestore document field

Update a Firestore document field using Increment

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• Adding data

Incrementing a Firestore document field while using shards

Incrementing a Firestore document field while using shards

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• Distributed counters

Monitor query result changes with Firestore Watch

Monitor query result changes with Firestore Watch

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• Getting real-time updates

Observe change types with Firestore watch listeners

Observe change types with Firestore watch listeners

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• Getting real-time updates

Ordering a Firestore query on multiple fields

Ordering a Firestore query on multiple fields

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• Ordering and limiting data

Ordering a Firestore query with a filter

Ordering a Firestore query with a filter

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• Ordering and limiting data

Ordering and limiting Firestore queries

Ordering and limiting Firestore queries

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• Ordering and limiting data

Ordering and limiting Firestore queries in descending order

Ordering and limiting Firestore queries in descending order

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• Ordering and limiting data

Ordering and limiting Firestore queries with a filter

Ordering and limiting Firestore queries with a filter

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• Ordering and limiting data

Performs a batch update on a Firestore document

Performs a batch update on a Firestore document

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• Transactions and batched writes

Query a collection group using a partitioned query

Query a collection group using a partitioned query

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Query a Firestore collection

Query a Firestore collection

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• Getting data
• Querying and filtering data

Query a Firestore collection group with an eq filter

Query a Firestore collection group with an eq filter

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• Querying and filtering data

Query a Firestore collection with a boolean eq filter

Query a Firestore collection with a boolean eq filter

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• Querying and filtering data

Query a Firestore collection with a cursor end at filter

Query a Firestore collection with a cursor end at filter

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• Paginating data with query cursors

Query a Firestore collection with a cursor start at document filter

Query a Firestore collection with a cursor start at document filter

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• Paginating data with query cursors

Query a Firestore collection with a cursor start at field (multiple) filter

Query a Firestore collection with a cursor start at field (multiple) filter

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• Paginating data with query cursors

Query a Firestore collection with a cursor start at field filter

Query a Firestore collection with a cursor start at field filter

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• Paginating data with query cursors

Query a Firestore collection with a not eq filter

Query a Firestore collection with a not eq filter

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• Querying and filtering data

Query a Firestore collection with a not in filter

Query a Firestore collection with a not in filter

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• Querying and filtering data

Query a Firestore collection with a string eq filter

Query a Firestore collection with a string eq filter

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• Querying and filtering data

Query a Firestore collection with an array_contains filter

Query a Firestore collection with an array_contains filter

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• Querying and filtering data

Query a Firestore collection with an array_contains_any filter

Query a Firestore collection with an array_contains_any filter

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• Querying and filtering data

Query a Firestore collection with an in array filter

Query a Firestore collection with an in array filter

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• Querying and filtering data

Query a Firestore collection with an in filter

Query a Firestore collection with an in filter

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• Querying and filtering data

Query a Firestore collection with multiple eq filters

Query a Firestore collection with multiple eq filters

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• Querying and filtering data

Querying Firestore collections with one range

Querying Firestore collections with one range

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• Querying and filtering data

Retrieve Firestore Document as Map

Retrieve Firestore Document as Map

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• Getting data

Serialize a Firestore query for execution elsewhere

Serialize a Firestore query for execution elsewhere

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Unsubscribe from a Firestore watch listener

Unsubscribe from a Firestore watch listener

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• Getting real-time updates

Update a Firestore document containing an array field.

Update a Firestore document containing an array field.

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• Adding data

Update a Firestore document field

Update a Firestore document field

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• Adding data

Update a Firestore document Timestamp

Update a Firestore document Timestamp

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• Adding data

Update a Firestore document using merge

Update a Firestore document using merge

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• Adding data

Updating a Firestore document in a transaction

Updating a Firestore document in a transaction

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• Transactions and batched writes

Use a custom type on the client for Firestore documents

Use a custom type on the client for Firestore documents

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• Adding data
• Querying and filtering data

Use start cursors and limits to paginate Firestore collections

Use start cursors and limits to paginate Firestore collections

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• Paginating data with query cursors

Use two ranges for a Firestore query

Use two ranges for a Firestore query

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• Querying and filtering data