使用時間戳記範圍篩選器讀取 (HBase)
透過集合功能整理內容
你可以依據偏好儲存及分類內容。
在儲存格時間戳記範圍上建立限制性篩選器。
深入探索
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
如要瞭解如何安裝及使用 Bigtable 的用戶端程式庫,請參閱這篇文章。
如要向 Bigtable 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」。
除非另有註明,否則本頁面中的內容是採用創用 CC 姓名標示 4.0 授權,程式碼範例則為阿帕契 2.0 授權。詳情請參閱《Google Developers 網站政策》。Java 是 Oracle 和/或其關聯企業的註冊商標。
[[["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"]],[],[[["This code snippet demonstrates how to implement a filter to limit the range of cell timestamps within a Bigtable table."],["The filter targets cells with timestamps that are one hour old or earlier, effectively excluding newer data from the query results."],["The code utilizes the `setTimeRange` method within a `Scan` object to specify the desired timestamp window."],["This sample uses a `timestamp` variable representing one hour ago, which is determined by calculating one hour before the current time using `Instant.now().minus(1, ChronoUnit.HOURS).toEpochMilli()`."],["The code shows the use of `setMaxVersions()` to help read all the values within the specified timestamp."]]],[]]