Package org.apache.druid.query.rowsandcols.semantic

Class DefaultFramedOnHeapAggregatable

java.lang.Object

org.apache.druid.query.rowsandcols.semantic.DefaultFramedOnHeapAggregatable

All Implemented Interfaces:

FramedOnHeapAggregatable

public class DefaultFramedOnHeapAggregatable
extends Object
implements FramedOnHeapAggregatable

Constructor Summary

Constructors

Constructor	Description
DefaultFramedOnHeapAggregatable(AppendableRowsAndColumns rac)

Method Summary

Modifier and Type	Method	Description
RowsAndColumns	aggregateAll(WindowFrame frame, AggregatorFactory[] aggFactories)	Aggregates the data according to the WindowFrame using the AggregatorFactory objects provided.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultFramedOnHeapAggregatable

public DefaultFramedOnHeapAggregatable(AppendableRowsAndColumns rac)

Method Detail

aggregateAll

@Nonnull
public RowsAndColumns aggregateAll(WindowFrame frame,
                                   AggregatorFactory[] aggFactories)

Description copied from interface: FramedOnHeapAggregatable

Aggregates the data according to the WindowFrame using the AggregatorFactory objects provided.

Specified by:

aggregateAll in interface FramedOnHeapAggregatable

Parameters:

frame - window frame definition

aggFactories - definition of aggregations to be done

Returns:

a RowsAndColumns that contains columns representing the results of the aggregation from the AggregatorFactories