本文簡要介紹 python 語言中 pyflink.table.window.Session
的用法。
用法:
class pyflink.table.window.Session
用於創建會話窗口的助手類。會話窗口的邊界由不活動的間隔定義,即,如果在定義的間隔期內沒有事件出現,則會話窗口關閉。
例子:
>>> from pyflink.table import expressions as expr >>> Session.with_gap(expr.lit(10).minutes) ... .on(expr.col("rowtime")) ... .alias("w")
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注:本文由純淨天空篩選整理自apache.org大神的英文原創作品 pyflink.table.window.Session。非經特殊聲明,原始代碼版權歸原作者所有,本譯文未經允許或授權,請勿轉載或複製。