Exploding indexes
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[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],[],[[["\u003cp\u003eThis page provides code samples for working with Datastore mode in various programming languages, including C#, Go, Java, Node.js, PHP, Python, and Ruby.\u003c/p\u003e\n"],["\u003cp\u003eEach code sample demonstrates how to create a "Task" entity with properties like "tags," "collaborators," and "created," showcasing common data modeling techniques in Datastore.\u003c/p\u003e\n"],["\u003cp\u003eThe page includes links to documentation for installing and using the client libraries for each language, as well as links to the respective API reference documentation.\u003c/p\u003e\n"],["\u003cp\u003eIt emphasizes the importance of setting up Application Default Credentials for authentication in a local development environment, with a link to relevant instructions.\u003c/p\u003e\n"],["\u003cp\u003eThe page references exploding indexes and also contains a link to the index page.\u003c/p\u003e\n"]]],[],null,["# Exploding indexes\n\nUse exploding indexes.\n\nExplore further\n---------------\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Indexes](/datastore/docs/concepts/indexes)\n\nCode sample\n-----------\n\n### C#\n\n\nTo learn how to install and use the client library for Datastore mode, see\n[Datastore mode client libraries](/datastore/docs/reference/libraries).\n\n\nFor more information, see the\n[Datastore mode C# API\nreference documentation](https://cloud.google.com/dotnet/docs/reference/Google.Cloud.Datastore.V1/latest).\n\n\nTo authenticate to Datastore mode, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n Entity task = new Entity()\n {\n Key = _db.CreateKeyFactory(\"Task\").CreateKey(\"sampleTask\"),\n [\"tags\"] = new ArrayValue() { Values = { \"fun\", \"programming\", \"learn\" } },\n [\"collaborators\"] = new ArrayValue() { Values = { \"alice\", \"bob\", \"charlie\" } },\n [\"created\"] = DateTime.UtcNow\n };\n\n### Go\n\n\nTo learn how to install and use the client library for Datastore mode, see\n[Datastore mode client libraries](/datastore/docs/reference/libraries).\n\n\nFor more information, see the\n[Datastore mode Go API\nreference documentation](https://cloud.google.com/go/docs/reference/cloud.google.com/go/datastore/latest).\n\n\nTo authenticate to Datastore mode, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n task := &Task{\n \tTags: []string{\"fun\", \"programming\", \"learn\"},\n \tCollaborators: []string{\"alice\", \"bob\", \"charlie\"},\n \tCreated: time.Now(),\n }\n\n### Java\n\n\nTo learn how to install and use the client library for Datastore mode, see\n[Datastore mode client libraries](/datastore/docs/reference/libraries).\n\n\nFor more information, see the\n[Datastore mode Java API\nreference documentation](https://cloud.google.com/java/docs/reference/google-cloud-datastore/latest/history).\n\n\nTo authenticate to Datastore mode, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n Entity task =\n Entity.newBuilder(taskKey)\n .set(\"tags\", \"fun\", \"programming\", \"learn\")\n .set(\"collaborators\", \"alice\", \"bob\", \"charlie\")\n .set(\"created\", Timestamp.now())\n .build();\n\n### Node.js\n\n\nTo learn how to install and use the client library for Datastore mode, see\n[Datastore mode client libraries](/datastore/docs/reference/libraries).\n\n\nFor more information, see the\n[Datastore mode Node.js API\nreference documentation](https://cloud.google.com/nodejs/docs/reference/datastore/latest).\n\n\nTo authenticate to Datastore mode, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n const task = {\n method: 'insert',\n key: datastore.key('Task'),\n data: {\n tags: ['fun', 'programming', 'learn'],\n collaborators: ['alice', 'bob', 'charlie'],\n created: new Date(),\n },\n };\n\n### PHP\n\n\nTo learn how to install and use the client library for Datastore mode, see\n[Datastore mode client libraries](/datastore/docs/reference/libraries).\n\n\nFor more information, see the\n[Datastore mode PHP API\nreference documentation](https://googleapis.github.io/google-cloud-php/#/docs/cloud-datastore/latest).\n\n\nTo authenticate to Datastore mode, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n $task = $datastore-\u003eentity(\n $datastore-\u003ekey('Task'),\n [\n 'tags' =\u003e ['fun', 'programming', 'learn'],\n 'collaborators' =\u003e ['alice', 'bob', 'charlie'],\n 'created' =\u003e new DateTime(),\n ]\n );\n\n### Python\n\n\nTo learn how to install and use the client library for Datastore mode, see\n[Datastore mode client libraries](/datastore/docs/reference/libraries).\n\n\nFor more information, see the\n[Datastore mode Python API\nreference documentation](https://cloud.google.com/python/docs/reference/datastore/latest).\n\n\nTo authenticate to Datastore mode, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n from google.cloud import https://cloud.google.com/python/docs/reference/datastore/latest/\n\n # For help authenticating your client, visit\n # https://cloud.google.com/docs/authentication/getting-started\n client = https://cloud.google.com/python/docs/reference/datastore/latest/.https://cloud.google.com/python/docs/reference/datastore/latest/google.cloud.datastore.client.Client.html()\n\n import datetime\n\n task = https://cloud.google.com/python/docs/reference/datastore/latest/.https://cloud.google.com/python/docs/reference/datastore/latest/google.cloud.datastore.entity.Entity.html(client.https://cloud.google.com/python/docs/reference/datastore/latest/google.cloud.datastore.client.Client.html#google_cloud_datastore_client_Client_key(\"Task\"))\n task.update(\n {\n \"tags\": [\"fun\", \"programming\", \"learn\"],\n \"collaborators\": [\"alice\", \"bob\", \"charlie\"],\n \"created\": datetime.datetime.now(tz=datetime.timezone.utc),\n }\n )\n\n### Ruby\n\n\nTo learn how to install and use the client library for Datastore mode, see\n[Datastore mode client libraries](/datastore/docs/reference/libraries).\n\n\nFor more information, see the\n[Datastore mode Ruby API\nreference documentation](/ruby/docs/reference/google-cloud-datastore/latest).\n\n\nTo authenticate to Datastore mode, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n task = datastore.entity \"Task\" do |t|\n t[\"tags\"] = [\"fun\", \"programming\", \"learn\"]\n t[\"collaborators\"] = [\"alice\", \"bob\", \"charlie\"]\n t[\"created\"] = Time.now\n end\n\nWhat's next\n-----------\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=datastore)."]]
