Filtre de plage d'égalité et d'inégalité
Restez organisé à l'aide des collections
Enregistrez et classez les contenus selon vos préférences.
Filtrer la plage par égalité et inégalité.
Exemple de code
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[[["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 demonstrates how to filter data in Datastore mode using equality and inequality operators across various programming languages.\u003c/p\u003e\n"],["\u003cp\u003eCode examples are provided in C#, Go, Java, Node.js, PHP, Python, and Ruby, showcasing how to apply filters to queries.\u003c/p\u003e\n"],["\u003cp\u003eThe examples demonstrate filtering a "Task" entity by "priority," "done" status, and the "created" date, using a combination of equal, greater-than, and less-than operators.\u003c/p\u003e\n"],["\u003cp\u003eEach language's code snippet includes instructions for installing the Datastore client library and setting up authentication, referencing external documentation for further details.\u003c/p\u003e\n"],["\u003cp\u003eThe content helps to apply filters to narrow down results and to find specific entities that meet the defined criteria.\u003c/p\u003e\n"]]],[],null,["# Equality and inequality range filter\n\nFilter range by equality and inequality.\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 Query query = new Query(\"Task\")\n {\n Filter = Filter.And(Filter.Equal(\"priority\", 4),\n Filter.GreaterThan(\"created\", _startDate),\n Filter.LessThan(\"created\", _endDate))\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 query := datastore.NewQuery(\"Task\").\n \tFilterField(\"Priority\", \"=\", 4).\n \tFilterField(\"Done\", \"=\", false).\n \tFilterField(\"Created\", \"\u003e\", time.Date(1990, 1, 1, 0, 0, 0, 0, time.UTC)).\n \tFilterField(\"Created\", \"\u003c\", time.Date(2000, 1, 1, 0, 0, 0, 0, time.UTC))\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 Query\u003cEntity\u003e query =\n Query.newEntityQueryBuilder()\n .setKind(\"Task\")\n .setFilter(\n CompositeFilter.and(\n PropertyFilter.eq(\"priority\", 4),\n PropertyFilter.gt(\"created\", startDate),\n PropertyFilter.lt(\"created\", endDate)))\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 query = datastore\n .createQuery('Task')\n .filter(\n and([\n new PropertyFilter('priority', '=', 4),\n new PropertyFilter('done', '=', false),\n new PropertyFilter('created', '\u003e', new Date('1990-01-01T00:00:00z')),\n new PropertyFilter('created', '\u003c', new Date('2000-12-31T23:59:59z')),\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 $query = $datastore-\u003equery()\n -\u003ekind('Task')\n -\u003efilter('priority', '=', 4)\n -\u003efilter('done', '=', false)\n -\u003efilter('created', '\u003e', new DateTime('1990-01-01T00:00:00z'))\n -\u003efilter('created', '\u003c', new DateTime('2000-12-31T23:59:59z'));\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 start_date = datetime.datetime(1990, 1, 1)\n end_date = datetime.datetime(2000, 12, 31, 23, 59, 59)\n query = client.https://cloud.google.com/python/docs/reference/datastore/latest/google.cloud.datastore.client.Client.html#google_cloud_datastore_client_Client_query(kind=\"Task\")\n query.https://cloud.google.com/python/docs/reference/datastore/latest/google.cloud.datastore.query.Query.html#google_cloud_datastore_query_Query_add_filter(filter=https://cloud.google.com/python/docs/reference/datastore/latest/.query.https://cloud.google.com/python/docs/reference/datastore/latest/google.cloud.datastore.query.PropertyFilter.html(\"priority\", \"=\", 4))\n query.https://cloud.google.com/python/docs/reference/datastore/latest/google.cloud.datastore.query.Query.html#google_cloud_datastore_query_Query_add_filter(filter=https://cloud.google.com/python/docs/reference/datastore/latest/.query.https://cloud.google.com/python/docs/reference/datastore/latest/google.cloud.datastore.query.PropertyFilter.html(\"done\", \"=\", False))\n query.https://cloud.google.com/python/docs/reference/datastore/latest/google.cloud.datastore.query.Query.html#google_cloud_datastore_query_Query_add_filter(filter=https://cloud.google.com/python/docs/reference/datastore/latest/.query.https://cloud.google.com/python/docs/reference/datastore/latest/google.cloud.datastore.query.PropertyFilter.html(\"created\", \"\u003e\", start_date))\n query.https://cloud.google.com/python/docs/reference/datastore/latest/google.cloud.datastore.query.Query.html#google_cloud_datastore_query_Query_add_filter(filter=https://cloud.google.com/python/docs/reference/datastore/latest/.query.https://cloud.google.com/python/docs/reference/datastore/latest/google.cloud.datastore.query.PropertyFilter.html(\"created\", \"\u003c\", end_date))\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 query = datastore.query(\"Task\")\n .where(\"done\", \"=\", false)\n .where(\"priority\", \"=\", 4)\n .where(\"created\", \"\u003e=\", Time.utc(1990, 1, 1))\n .where(\"created\", \"\u003c\", Time.utc(2000, 1, 1))\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)."]]