使用篩選器排序及限制 Firestore 查詢
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使用篩選器排序及限制 Firestore 查詢
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如需包含這個程式碼範例的詳細說明文件,請參閱下列內容:
程式碼範例
Java
如要向 Firestore 進行驗證,請設定應用程式預設憑證。
詳情請參閱「為本機開發環境設定驗證」。
Node.js
如要向 Firestore 進行驗證,請設定應用程式預設憑證。
詳情請參閱「為本機開發環境設定驗證」。
PHP
如要向 Firestore 進行驗證,請設定應用程式預設憑證。
詳情請參閱「為本機開發環境設定驗證」。
Python
如要向 Firestore 進行驗證,請設定應用程式預設憑證。
詳情請參閱「為本機開發環境設定驗證」。
Ruby
如要向 Firestore 進行驗證,請設定應用程式預設憑證。
詳情請參閱「為本機開發環境設定驗證」。
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[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["難以理解","hardToUnderstand","thumb-down"],["資訊或程式碼範例有誤","incorrectInformationOrSampleCode","thumb-down"],["缺少我需要的資訊/範例","missingTheInformationSamplesINeed","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],[],[[["Firestore queries can be filtered to retrieve data based on specific criteria, such as selecting cities with a population greater than 2,500,000."],["The order of results in a Firestore query can be customized using the `OrderBy` function, demonstrated in the example of sorting cities by population."],["The `Limit` function in Firestore allows you to restrict the number of results returned by a query, as shown in the examples by limiting the output to the top two cities."],["To use Firestore, it's required to first authenticate by setting up Application Default Credentials, following the local development environment setup guide provided."],["The provided code examples demonstrate how to use filters, order and limits on queries within the following languages: C#, Go, Java, Node.js, PHP, Python, and Ruby."]]],[]]