Flink aggregatefunction getresult
WebNov 5, 2024 · Flink 中提供了四种类型的 Window Function , 分别为ReduceFunction、AggregateFunction 以及 ProcessWindowFunction,(sum 和 max)等。 前三种类型的 Window Fucntion 按照计算原理的不同可以分为两大类: 一类是增量聚合函数:对应有 ReduceFunction、AggregateFunction; 另一类是全量窗口函数,对应有 … WebJan 16, 2024 · 类名称:AggregateFunction 方法名:getResult AggregateFunction.getResult介绍 [英]Gets the result of the aggregation from the accumulator. [中]从累加器获取聚合的结果。 代码示例 代码示例来源: origin: apache/flink @Override public R get() { ACC accumulator = getInternal(); if (accumulator == null) { …
Flink aggregatefunction getresult
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WebWhen I use .window(TumblingProcessingTimeWindows.of(Time.seconds(10))) or .countWindow(100), the .aggregate function is perfectly executed, but when I use …
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