Cloud Firestore
A NoSQL document-oriented cloud database provided by Google Firebase. Data is organized in a collection-document hierarchy and the service supports real-time data listeners and offline synchronization, making it suitable for multi-client collaborative and real-time application scenarios.
Core Facts
Timeline (last 90 days)
AI Studio's Agent automatically generates backend code including Cloud Firestore code, authentication code, the /src/lib/firebase.ts file, and a Firestore Rules file.
Cloud Firestore is a NoSQL document database where single-field queries are automatically indexed, but composite queries involving multi-field filtering or sorting must have composite indexes created manually.
When Firestore is missing a composite index, it does not fail to find data but instead triggers a full collection scan; since Firestore charges by the number of documents read, this incurs additional costs as data volume grows.
Firestore's error message for a missing index directly includes a console link to create that index.
All Facts (4)
Cloud Firestore is a NoSQL document database where single-field queries are automatically indexed, but composite queries involving multi-field filtering or sorting must have composite indexes created manually.
65%UnverifiedAI Studio's Agent automatically generates backend code including Cloud Firestore code, authentication code, the /src/lib/firebase.ts file, and a Firestore Rules file.
50%UnverifiedWhen Firestore is missing a composite index, it does not fail to find data but instead triggers a full collection scan; since Firestore charges by the number of documents read, this incurs additional costs as data volume grows.
50%UnverifiedFirestore's error message for a missing index directly includes a console link to create that index.
50%