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• TimeWindowFunction.java

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io.github.shanqiang.function.TimeWindowFunction Maven / Gradle / Ivy

package io.github.shanqiang.function;

import io.github.shanqiang.table.Row;

import java.util.List;

public interface TimeWindowFunction {
    // 可以一次计算每一行的多个列出来，比如count,max,avg,rank四列一次计算出来
    // 窗口区间： [windowStart, windowEnd)
    List transform(List partitionByColumns, List rows, long windowStart, long windowEnd);
}