# Google Cloud Client Libraries for Rust - Cloud Spanner API
**WARNING:** this crate is under active development. We expect multiple breaking
changes in the upcoming releases. Testing is also incomplete, we do **not**
recommend that you use this crate in production. We welcome feedback about the
APIs, documentation, missing features, bugs, etc.
Cloud Spanner is a managed, mission-critical, globally consistent and
scalable relational database service.
## Quickstart
The main types to work with this crate are the clients:
- [DatabaseAdmin]
## More Information
- Read the [crate's documentation](https://docs.rs/google-cloud-spanner-admin-database-v1/latest/google-cloud-spanner-admin-database-v1)
[DatabaseAdmin]: https://docs.rs/google-cloud-spanner-admin-database-v1/latest/google_cloud_spanner_admin_database_v1/client/struct.DatabaseAdmin.html