Interroger une collection Firestore à l'aide d'un filtre "le tableau contient"
Restez organisé à l'aide des collections
Enregistrez et classez les contenus selon vos préférences.
Interroger une collection Firestore à l'aide d'un filtre "le tableau contient"
En savoir plus
Pour obtenir une documentation détaillée incluant cet exemple de code, consultez les articles suivants :
Exemple de code
Sauf indication contraire, le contenu de cette page est régi par une licence Creative Commons Attribution 4.0, et les échantillons de code sont régis par une licence Apache 2.0. Pour en savoir plus, consultez les Règles du site Google Developers. Java est une marque déposée d'Oracle et/ou de ses sociétés affiliées.
[[["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 query a Firestore collection using the \u003ccode\u003earray_contains\u003c/code\u003e filter.\u003c/p\u003e\n"],["\u003cp\u003eCode samples are provided in C#, Go, Java, Node.js, PHP, Python, and Ruby, illustrating the \u003ccode\u003earray_contains\u003c/code\u003e functionality.\u003c/p\u003e\n"],["\u003cp\u003eThe examples query a "cities" collection to find documents where the "regions" array contains "west_coast".\u003c/p\u003e\n"],["\u003cp\u003eThe documentation requires you to set up Application Default Credentials for authentication when accessing Firestore.\u003c/p\u003e\n"]]],[],null,["# Query a Firestore collection with an array_contains 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.WhereArrayContains(\"Regions\", \"west_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 query := cities.Where(\"regions\", \"array-contains\", \"west_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 Query westCoastQuery = citiesRef.whereArrayContains(\"regions\", \"west_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 westCoastCities = citiesRef.where('regions', 'array-contains',\n 'west_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', 'west_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\", \"array_contains\", \"west_coast\")\n )\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 cities = cities_ref.where \"regions\", \"array-contains\", \"west_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)."]]