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• 2.0.6
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• WindowFunction.java

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

package io.github.shanqiang.function;

import io.github.shanqiang.table.Row;

import java.util.List;

public interface WindowFunction {
    //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
    List transform(List partitionByColumns, List rows, int needCompute);
}