Ordering and limiting Firestore queries (async)
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Ordering and limiting Firestore queries (async).
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For detailed documentation that includes this code sample, see the following:
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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 code sample demonstrates how to order and limit Firestore query results asynchronously in Python.\u003c/p\u003e\n"],["\u003cp\u003eThe sample utilizes the \u003ccode\u003eorder_by\u003c/code\u003e and \u003ccode\u003elimit_to_last\u003c/code\u003e methods to sort and restrict the number of documents returned from a Firestore collection.\u003c/p\u003e\n"],["\u003cp\u003eAuthentication with Firestore is established through Application Default Credentials, as detailed in the linked documentation.\u003c/p\u003e\n"],["\u003cp\u003eFurther information and detailed instructions regarding ordering and limiting data can be found in the "Order and limit data" documentation links provided.\u003c/p\u003e\n"],["\u003cp\u003eThe code provided demonstrates how to query a "cities" collection, ordered by the "name" field, and to retrieve only the last 2 documents.\u003c/p\u003e\n"]]],[],null,["# Ordering and limiting Firestore queries (async).\n\nExplore further\n---------------\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Order and limit data](/firestore/native/docs/query-data/order-limit-data)\n- [Order and limit data with Cloud Firestore](https://firebase.google.com/docs/firestore/query-data/order-limit-data)\n\nCode sample\n-----------\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 query = cities_ref.order_by(\"name\").limit_to_last(2)\n results = await query.get()\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)."]]
