Filter rentang kesetaraan dan ketidaksetaraan
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Memfilter rentang berdasarkan kesetaraan dan ketidaksetaraan.
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Kecuali dinyatakan lain, konten di halaman ini dilisensikan berdasarkan Lisensi Creative Commons Attribution 4.0, sedangkan contoh kode dilisensikan berdasarkan Lisensi Apache 2.0. Untuk mengetahui informasi selengkapnya, lihat Kebijakan Situs Google Developers. Java adalah merek dagang terdaftar dari Oracle dan/atau afiliasinya.
[[["Mudah dipahami","easyToUnderstand","thumb-up"],["Memecahkan masalah saya","solvedMyProblem","thumb-up"],["Lainnya","otherUp","thumb-up"]],[["Sulit dipahami","hardToUnderstand","thumb-down"],["Informasi atau kode contoh salah","incorrectInformationOrSampleCode","thumb-down"],["Informasi/contoh yang saya butuhkan tidak ada","missingTheInformationSamplesINeed","thumb-down"],["Masalah terjemahan","translationIssue","thumb-down"],["Lainnya","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)."]]
