Filter für Gleichheits- und Ungleichheitsbereiche
Mit Sammlungen den Überblick behalten
Sie können Inhalte basierend auf Ihren Einstellungen speichern und kategorisieren.
Bereich nach Gleichheit und Ungleichheit filtern.
Codebeispiel
Nächste Schritte
Wenn Sie nach Codebeispielen für andere Google Cloud -Produkte suchen und filtern möchten, können Sie den Google Cloud -Beispielbrowser verwenden.
Sofern nicht anders angegeben, sind die Inhalte dieser Seite unter der Creative Commons Attribution 4.0 License und Codebeispiele unter der Apache 2.0 License lizenziert. Weitere Informationen finden Sie in den Websiterichtlinien von Google Developers. Java ist eine eingetragene Marke von Oracle und/oder seinen Partnern.
[[["Leicht verständlich","easyToUnderstand","thumb-up"],["Mein Problem wurde gelöst","solvedMyProblem","thumb-up"],["Sonstiges","otherUp","thumb-up"]],[["Schwer verständlich","hardToUnderstand","thumb-down"],["Informationen oder Beispielcode falsch","incorrectInformationOrSampleCode","thumb-down"],["Benötigte Informationen/Beispiele nicht gefunden","missingTheInformationSamplesINeed","thumb-down"],["Problem mit der Übersetzung","translationIssue","thumb-down"],["Sonstiges","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)."]]