本文簡要介紹 python 語言中 pyflink.datastream.window.SlidingEventTimeWindows
的用法。
用法:
class pyflink.datastream.window.SlidingEventTimeWindows(size: int, slide: int, offset: int)
一個WindowAssigner,它根據元素的時間戳將元素窗口化為滑動窗口。窗戶可能會重疊。
例如,為了每 10 秒打開 1 分鍾的窗口:
>>> data_stream.key_by(lambda x: x[0], key_type=Types.STRING()) \ ... .window(SlidingEventTimeWindows.of(Time.minutes(1), Time.seconds(10)))
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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.datastream.window.SlidingEventTimeWindows。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。