Query a Firestore collection with an array_contains_any filter
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Query a Firestore collection with an array_contains_any filter
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[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],[],[[["\u003cp\u003eThis content demonstrates how to query a Firestore collection using the \u003ccode\u003earray_contains_any\u003c/code\u003e filter across multiple languages.\u003c/p\u003e\n"],["\u003cp\u003eThe examples show how to filter a "cities" collection to find documents where the "regions" field contains either "west_coast" or "east_coast".\u003c/p\u003e\n"],["\u003cp\u003eEach code sample requires authentication via Application Default Credentials, with a link provided for more details.\u003c/p\u003e\n"],["\u003cp\u003eThe document contains examples in C#, Go, Java, Node.js, PHP, Python, and Ruby, showcasing the implementation in various languages.\u003c/p\u003e\n"],["\u003cp\u003eFurther code samples can be found in the Google Cloud sample browser.\u003c/p\u003e\n"]]],[],null,["# Query a Firestore collection with an array_contains_any 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.WhereArrayContainsAny(\"Regions\", new[] { \"west_coast\", \"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\", \"array-contains-any\", []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.whereArrayContainsAny(\"regions\", Arrays.asList(\"west_coast\", \"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 coastalCities = await citiesRef.where('regions', 'array-contains-any',\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 $containsQuery = $citiesRef-\u003ewhere('regions', 'array-contains-any', ['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(\n \"regions\", \"array_contains_any\", [\"west_coast\", \"east_coast\"]\n )\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 costal_cities = cities_ref.where \"regions\", \"array-contains-any\", [\"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)."]]