Répertorier l'index des administrateurs
Restez organisé à l'aide des collections
Enregistrez et classez les contenus selon vos préférences.
Lister les index d'un projet Datastore
Exemple de code
Sauf indication contraire, le contenu de cette page est régi par une licence Creative Commons Attribution 4.0, et les échantillons de code sont régis par une licence Apache 2.0. Pour en savoir plus, consultez les Règles du site Google Developers. Java est une marque déposée d'Oracle et/ou de ses sociétés affiliées.
[[["Facile à comprendre","easyToUnderstand","thumb-up"],["J'ai pu résoudre mon problème","solvedMyProblem","thumb-up"],["Autre","otherUp","thumb-up"]],[["Difficile à comprendre","hardToUnderstand","thumb-down"],["Informations ou exemple de code incorrects","incorrectInformationOrSampleCode","thumb-down"],["Il n'y a pas l'information/les exemples dont j'ai besoin","missingTheInformationSamplesINeed","thumb-down"],["Problème de traduction","translationIssue","thumb-down"],["Autre","otherDown","thumb-down"]],[],[[["\u003cp\u003eThis content provides code samples in C#, Go, Node.js, Python, and Ruby for listing indexes within a Datastore project.\u003c/p\u003e\n"],["\u003cp\u003eEach language's sample demonstrates how to use the respective client library to list and iterate through indexes.\u003c/p\u003e\n"],["\u003cp\u003eThe examples cover how to obtain and display index details, including the index ID, kind, and properties.\u003c/p\u003e\n"],["\u003cp\u003eSetting up Application Default Credentials is necessary for authenticating to Datastore mode, and instructions to do this are provided.\u003c/p\u003e\n"],["\u003cp\u003eThe content also includes links to relevant documentation, including client library installation guides and API reference materials for each language.\u003c/p\u003e\n"]]],[],null,["# List admin index\n\nList indexes within a Datastore project\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\n using https://cloud.google.com/dotnet/docs/reference/Google.Cloud.Datastore.Admin.V1/latest/Google.Cloud.Datastore.Admin.V1.html;\n using System;\n using System.Collections.Generic;\n\n public class ListIndexesSample\n {\n public IEnumerable\u003cGoogle.Cloud.Datastore.Admin.V1.Index\u003e ListIndexes(string projectId = \"your-project-id\")\n {\n // Create client\n https://cloud.google.com/dotnet/docs/reference/Google.Cloud.Datastore.Admin.V1/latest/Google.Cloud.Datastore.Admin.V1.DatastoreAdminClient.html datastoreAdminClient = https://cloud.google.com/dotnet/docs/reference/Google.Cloud.Datastore.Admin.V1/latest/Google.Cloud.Datastore.Admin.V1.DatastoreAdminClient.html.https://cloud.google.com/dotnet/docs/reference/Google.Cloud.Datastore.Admin.V1/latest/Google.Cloud.Datastore.Admin.V1.DatastoreAdminClient.html#Google_Cloud_Datastore_Admin_V1_DatastoreAdminClient_Create();\n\n // Initialize request argument(s)\n https://cloud.google.com/dotnet/docs/reference/Google.Cloud.Datastore.Admin.V1/latest/Google.Cloud.Datastore.Admin.V1.ListIndexesRequest.html listIndexesRequest = new https://cloud.google.com/dotnet/docs/reference/Google.Cloud.Datastore.Admin.V1/latest/Google.Cloud.Datastore.Admin.V1.ListIndexesRequest.html\n {\n ProjectId = projectId\n };\n\n var response = datastoreAdminClient.https://cloud.google.com/dotnet/docs/reference/Google.Cloud.Datastore.Admin.V1/latest/Google.Cloud.Datastore.Admin.V1.DatastoreAdminClient.html#Google_Cloud_Datastore_Admin_V1_DatastoreAdminClient_ListIndexes_Google_Cloud_Datastore_Admin_V1_ListIndexesRequest_Google_Api_Gax_Grpc_CallSettings_(listIndexesRequest);\n\n foreach (var index in response)\n {\n Console.WriteLine($\"Index Id: {index.IndexId}\");\n Console.WriteLine($\"Kind: {index.https://cloud.google.com/dotnet/docs/reference/Google.Cloud.Datastore.Admin.V1/latest/Google.Cloud.Datastore.Admin.V1.Index.html#Google_Cloud_Datastore_Admin_V1_Index_Kind}\");\n\n Console.WriteLine(\"Properties:\");\n foreach (var property in index.https://cloud.google.com/dotnet/docs/reference/Google.Cloud.Datastore.Admin.V1/latest/Google.Cloud.Datastore.Admin.V1.Index.html#Google_Cloud_Datastore_Admin_V1_Index_Properties)\n {\n Console.WriteLine($\"Property: {property.https://cloud.google.com/dotnet/docs/reference/Google.Cloud.Datastore.Admin.V1/latest/Google.Cloud.Datastore.Admin.V1.Index.Types.IndexedProperty.html#Google_Cloud_Datastore_Admin_V1_Index_Types_IndexedProperty_Name}\");\n Console.WriteLine($\"Direction: {property.Direction}\");\n }\n }\n\n return response;\n }\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 import (\n \t\"context\"\n \t\"fmt\"\n \t\"io\"\n\n \tadmin \"cloud.google.com/go/datastore/admin/apiv1\"\n \t\"cloud.google.com/go/datastore/admin/apiv1/adminpb\"\n \t\"google.golang.org/api/iterator\"\n )\n\n // indexList lists the indexes.\n func indexList(w io.Writer, projectID string) ([]*adminpb.Index, error) {\n \t// projectID := \"my-project-id\"\n \tctx := context.Background()\n \tclient, err := admin.NewDatastoreAdminClient(ctx)\n \tif err != nil {\n \t\treturn nil, fmt.Errorf(\"admin.NewDatastoreAdminClient: %w\", err)\n \t}\n \tdefer client.https://cloud.google.com/go/docs/reference/cloud.google.com/go/datastore/latest/admin/apiv1.html#cloud_google_com_go_datastore_admin_apiv1_DatastoreAdminClient_Close()\n\n \treq := &adminpb.ListIndexesRequest{\n \t\tProjectId: projectID,\n \t}\n \tit := client.ListIndexes(ctx, req)\n \tvar indices []*adminpb.Index\n \tfor {\n \t\tindex, err := it.Next()\n \t\tif err == iterator.Done {\n \t\t\tbreak\n \t\t}\n \t\tif err != nil {\n \t\t\treturn nil, fmt.Errorf(\"ListIndexes: %w\", err)\n \t\t}\n \t\tindices = append(indices, index)\n \t\tfmt.Fprintf(w, \"Got index: %v\\n\", index.IndexId)\n \t}\n\n \tfmt.Fprintf(w, \"Got lists of indexes\\n\")\n \treturn indices, nil\n }\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 {Datastore} = require('https://cloud.google.com/nodejs/docs/reference/datastore/latest/overview.html');\n const datastore = new https://cloud.google.com/nodejs/docs/reference/datastore/latest/datastore/datastore.html();\n\n async function listIndexes() {\n const [indexes] = await datastore.https://cloud.google.com/nodejs/docs/reference/datastore/latest/datastore/datastore.html();\n\n console.log(`${indexes.length} indexes returned.`);\n\n // Each returned Index object includes metadata about the index.\n const [firstIndex] = indexes;\n console.log('Properties:', firstIndex.https://cloud.google.com/nodejs/docs/reference/datastore/latest/datastore/index.html.properties);\n\n // You may also get Index references as a readable object stream.\n datastore\n .https://cloud.google.com/nodejs/docs/reference/datastore/latest/datastore/datastore.html()\n .on('data', index =\u003e {\n console.log('Properties:', https://cloud.google.com/nodejs/docs/reference/datastore/latest/datastore/datastore.html.https://cloud.google.com/nodejs/docs/reference/datastore/latest/datastore/index.html.properties);\n })\n .on('https://cloud.google.com/nodejs/docs/reference/datastore/latest/datastore/query.html', () =\u003e {\n // All matching Index objects have been returned.\n });\n }\n\n listIndexes();\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 def list_indexes(project_id):\n \"\"\"Lists the indexes.\"\"\"\n # project_id := \"my-project-id\"\n client = DatastoreAdminClient()\n\n indexes = []\n for index in client.list_indexes({\"project_id\": project_id}):\n indexes.append(index)\n print(\"Got index: %v\\n\", index.index_id)\n\n print(\"Got list of indexes\\n\")\n return indexes\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 # project_id = \"project-id\"\n indexes = client.list_indexes(project_id: project_id).map do |index|\n puts \"Got index: #{index.index_id}\"\n index\n end\n\n puts \"Got list of indexes\"\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)."]]