Interroger une collection Firestore à l'aide d'un filtre "n'est pas égal à"
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Interroger une collection Firestore à l'aide d'un filtre "n'est pas égal à"
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Pour obtenir une documentation détaillée incluant cet exemple de code, consultez les articles suivants :
Exemple de code
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[[["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 a "not equal to" ( \u003ccode\u003e!=\u003c/code\u003e ) filter.\u003c/p\u003e\n"],["\u003cp\u003eThe code samples provided illustrate the implementation of \u003ccode\u003ewhereNotEqualTo\u003c/code\u003e in Java and equivalent methods across Node.js, PHP, and Ruby.\u003c/p\u003e\n"],["\u003cp\u003eAuthenticating to Firestore with Application Default Credentials is a necessary prerequisite, as referenced in the documentation.\u003c/p\u003e\n"],["\u003cp\u003eThe examples provided filter a \u003ccode\u003ecities\u003c/code\u003e collection for documents where the \u003ccode\u003ecapital\u003c/code\u003e field is not equal to \u003ccode\u003efalse\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,["# Query a Firestore collection with a not eq 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### 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 = citiesRef.whereNotEqualTo(\"capital\", false);\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 capitalNotFalseRes = await citiesRef.where('capital', '!=', false).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 $stateQuery = $citiesRef-\u003ewhere('capital', '!=', false);\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 query = cities_ref.where \"capital\", \"!=\", false\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)."]]
