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Google Cloud Datastore: Node.js ClientCloud Datastore Client Library for Node.js
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 beginnpm install @google-cloud/datastore
Using the client library
// Imports the Google Cloud client library
const {Datastore} = require('@google-cloud/datastore');
// Creates a client
const datastore = new Datastore();
async function quickstart() {
// The kind for the new entity
const kind = 'Task';
// The name/ID for the new entity
const name = 'sampletask1';
// The Cloud Datastore key for the new entity
const taskKey = datastore.key([kind, name]);
// Prepares the new entity
const task = {
key: taskKey,
data: {
description: 'Buy milk',
},
};
// Saves the entity
await datastore.save(task);
console.log(`Saved ${task.key.name}: ${task.data.description}`);
}
quickstart();
Troubleshooting Emulator returning DEADLINE_EXCEEDED
, java.lang.OutOfMemoryError
Reference Issue: #95
When using the emulator, you may experience errors such as "DEADLINE_EXCEEDED" within your application, corresponding to an error in the emulator: "java.lang.OutOfMemoryError". These errors are unique to the emulator environment and will not persist in production.
A workaround is available, provided by @ohmpatel1997 here.
SamplesSamples are in the samples/
directory. Each sample's README.md
has instructions for running its sample.
The Google Cloud Datastore Node.js Client API Reference documentation also contains samples.
Supported Node.js VersionsOur client libraries follow the Node.js release schedule. Libraries are compatible with all current active and maintenance versions of Node.js. If you are using an end-of-life version of Node.js, we recommend that you update as soon as possible to an actively supported LTS version.
Google's client libraries support legacy versions of Node.js runtimes on a best-efforts basis with the following warnings:
Client libraries targeting some end-of-life versions of Node.js are available, and can be installed through npm dist-tags. The dist-tags follow the naming convention legacy-(version)
. For example, npm install @google-cloud/datastore@legacy-8
installs client libraries for versions compatible with Node.js 8.
This library follows Semantic Versioning.
This library is considered to be 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 stable libraries are addressed with the highest priority.
More Information: Google Cloud Platform Launch Stages
ContributingContributions 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 templates in directory.
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