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Node.js client for Google Cloud Spanner: the world’s first fully managed relational database service to offer both strong consistency and horizontal scalability.

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Google Cloud Platform logo

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Cloud Spanner is a fully managed, mission-critical, relational database service that offers transactional consistency at global scale, schemas, SQL (ANSI 2011 with extensions), and automatic, synchronous replication for high availability.

A comprehensive list of changes in each version may be found in the CHANGELOG.

Read more about the client libraries for Cloud APIs, including the older Google APIs Client Libraries, in Client Libraries Explained.

Table of contents:

Quickstart

Before you begin

  1. Select or create a Cloud Platform project.
  2. Enable billing for your project.
  3. Enable the Cloud Spanner API.
  4. Set up authentication with a service account so you can access the API from your local workstation.

Installing the client library

npm install @google-cloud/spanner

Using the client library

// Imports the Google Cloud client library
const {Spanner} = require('@google-cloud/spanner');

// Creates a client
const spanner = new Spanner({projectId});

// Gets a reference to a Cloud Spanner instance and database
const instance = spanner.instance(instanceId);
const database = instance.database(databaseId);

// The query to execute
const query = {
  sql: 'SELECT 1',
};

// Execute a simple SQL statement
const [rows] = await database.run(query);
console.log(`Query: ${rows.length} found.`);
rows.forEach(row => console.log(row));

Samples

Samples are in the samples/ directory. Each sample's README.md has instructions for running its sample.

Sample Source Code Try it
Backups-cancel source code Open in Cloud Shell
Backups-create-with-encryption-key source code Open in Cloud Shell
Backups-create source code Open in Cloud Shell
Backups-delete source code Open in Cloud Shell
Backups-get-database-operations source code Open in Cloud Shell
Backups-get-operations source code Open in Cloud Shell
Backups-get source code Open in Cloud Shell
Backups-restore-with-encryption-key source code Open in Cloud Shell
Backups-restore source code Open in Cloud Shell
Backups-update source code Open in Cloud Shell
Backups source code Open in Cloud Shell
Batch source code Open in Cloud Shell
CRUD source code Open in Cloud Shell
Database-create-with-encryption-key source code Open in Cloud Shell
Database-create-with-version-retention-period source code Open in Cloud Shell
Datatypes source code Open in Cloud Shell
DML source code Open in Cloud Shell
Get-commit-stats source code Open in Cloud Shell
Creates a new value-storing index source code Open in Cloud Shell
Creates a new index source code Open in Cloud Shell
Executes a read-only SQL query using an existing index. source code Open in Cloud Shell
Reads data using an existing storing index. source code Open in Cloud Shell
Read data using an existing index. source code Open in Cloud Shell
Indexing source code Open in Cloud Shell
Instance-with-processing-units source code Open in Cloud Shell
Instance source code Open in Cloud Shell
Numeric-add-column source code Open in Cloud Shell
Numeric-query-parameter source code Open in Cloud Shell
Numeric-update-data source code Open in Cloud Shell
Queryoptions source code Open in Cloud Shell
Quickstart source code Open in Cloud Shell
Rpc-priority source code Open in Cloud Shell
Schema source code Open in Cloud Shell
Struct source code Open in Cloud Shell
Timestamp source code Open in Cloud Shell
Transaction source code Open in Cloud Shell

The Cloud Spanner Node.js Client API Reference documentation also contains samples.

Supported Node.js Versions

Our client libraries follow the Node.js release schedule. Libraries are compatible with all current active and maintenance versions of Node.js.

Client libraries targeting some end-of-life versions of Node.js are available, and can be installed via npm dist-tags. The dist-tags follow the naming convention legacy-(version).

Legacy Node.js versions are supported as a best effort:

  • Legacy versions will not be tested in continuous integration.
  • Some security patches may not be able to be backported.
  • Dependencies will not be kept up-to-date, and features will not be backported.

Legacy tags available

  • legacy-8: install client libraries from this dist-tag for versions compatible with Node.js 8.

Versioning

This library follows Semantic Versioning.

This library is considered to be General Availability (GA). This means it is stable; the code surface will not change in backwards-incompatible ways unless absolutely necessary (e.g. because of critical security issues) or with an extensive deprecation period. Issues and requests against GA libraries are addressed with the highest priority.

More Information: Google Cloud Platform Launch Stages

Contributing

Contributions welcome! See the Contributing Guide.

Please note that this README.md, the samples/README.md, and a variety of configuration files in this repository (including .nycrc and tsconfig.json) are generated from a central template. To edit one of these files, make an edit to its template in this directory.

License

Apache Version 2.0

See LICENSE

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Node.js client for Google Cloud Spanner: the world’s first fully managed relational database service to offer both strong consistency and horizontal scalability.

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