org.apache.druid.query.groupby.epinephelinae

Class GroupByBinaryFnV2

java.lang.Object

org.apache.druid.query.groupby.epinephelinae.GroupByBinaryFnV2

All Implemented Interfaces:

BiFunction<ResultRow,ResultRow,ResultRow>, BinaryOperator<ResultRow>

public class GroupByBinaryFnV2
extends Object
implements BinaryOperator<ResultRow>

Class that knows how to merge aggregator data from two groupBy ResultRow objects that have the same time and dimensions. This code runs on Brokers as well as data servers, like Historicals. Used by GroupByStrategyV2.mergeResults(org.apache.druid.query.QueryRunner<org.apache.druid.query.groupby.ResultRow>, org.apache.druid.query.groupby.GroupByQuery, org.apache.druid.query.context.ResponseContext).

Constructor Summary

Constructors

Constructor and Description
GroupByBinaryFnV2(GroupByQuery query)

Method Summary

Modifier and Type	Method and Description
ResultRow	apply(ResultRow arg1, ResultRow arg2)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.function.BinaryOperator

maxBy, minBy

Methods inherited from interface java.util.function.BiFunction

andThen

Constructor Detail

GroupByBinaryFnV2

public GroupByBinaryFnV2(GroupByQuery query)

Method Detail

apply

@Nullable
public ResultRow apply(@Nullable
                                 ResultRow arg1,
                                 @Nullable
                                 ResultRow arg2)

Specified by:

apply in interface BiFunction<ResultRow,ResultRow,ResultRow>