Membuat kueri koleksi Firestore dengan filter in array
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Membuat kueri koleksi Firestore dengan filter in array
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[[["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 page demonstrates how to query a Firestore collection using an "in" array filter across multiple programming languages.\u003c/p\u003e\n"],["\u003cp\u003eThe code samples show how to filter a "cities" collection to find documents where the "regions" field matches either "west_coast" or "east_coast".\u003c/p\u003e\n"],["\u003cp\u003eEach code example highlights the use of \u003ccode\u003ewhereIn\u003c/code\u003e or its equivalent method for performing the in-array filter operation on the "regions" field in languages like C#, Go, Java, Node.js, PHP, Python, and Ruby.\u003c/p\u003e\n"],["\u003cp\u003eTo authenticate and run the provided code, you must set up Application Default Credentials as detailed in the linked documentation.\u003c/p\u003e\n"],["\u003cp\u003eThe provided links contain more detailed documentation about querying Firestore and filtering data, including how to perform these operations.\u003c/p\u003e\n"]]],[],null,["# Query a Firestore collection with an in array filter\n\nExplore further\n---------------\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Perform simple and compound queries in Cloud Firestore](https://firebase.google.com/docs/firestore/query-data/queries)\n- [Query and filter data](/firestore/native/docs/query-data/queries)\n\nCode sample\n-----------\n\n### C#\n\n\nTo authenticate to Firestore, 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 CollectionReference citiesRef = db.Collection(\"cities\");\n Query query = citiesRef.WhereIn(\"Regions\",\n new[] { new[] { \"west_coast\" }, new[] { \"east_coast\" } });\n\n### Go\n\n\nTo authenticate to Firestore, 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 cities := client.Collection(\"cities\")\n query := cities.Where(\"regions\", \"in\", [][]string{{\"west_coast\"}, {\"east_coast\"}}).Documents(ctx)\n\n### Java\n\n\nTo authenticate to Firestore, 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 CollectionReference citiesRef = db.collection(\"cities\");\n\n Query query =\n citiesRef.whereIn(\n \"regions\", Arrays.asList(Arrays.asList(\"west_coast\"), Arrays.asList(\"east_coast\")));\n\n### Node.js\n\n\nTo authenticate to Firestore, 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 exactlyOneCoast = await citiesRef.where('regions', 'in',\n [['west_coast', 'east_coast']]).get();\n\n### PHP\n\n\nTo authenticate to Firestore, 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 $rangeQuery = $citiesRef-\u003ewhere('regions', 'in', [['west_coast'], ['east_coast']]);\n\n### Python\n\n\nTo authenticate to Firestore, 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 cities_ref = db.collection(\"cities\")\n\n query = cities_ref.where(\n filter=FieldFilter(\"regions\", \"in\", [[\"west_coast\"], [\"east_coast\"]])\n )\n return query\n\n### Ruby\n\n\nTo authenticate to Firestore, 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 cities_ref = firestore.col collection_path\n exactly_one_cost = cities_ref.where \"regions\", \"in\", [[\"west_coast\"], [\"east_coast\"]]\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=firestore)."]]
