Package org.apache.druid.query.topn.types

Class DoubleTopNColumnAggregatesProcessor

java.lang.Object

org.apache.druid.query.topn.types.NullableNumericTopNColumnAggregatesProcessor<BaseDoubleColumnValueSelector>

org.apache.druid.query.topn.types.DoubleTopNColumnAggregatesProcessor

All Implemented Interfaces:

ColumnSelectorStrategy, TopNColumnAggregatesProcessor<BaseDoubleColumnValueSelector>

public class DoubleTopNColumnAggregatesProcessor
extends NullableNumericTopNColumnAggregatesProcessor<BaseDoubleColumnValueSelector>

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	DoubleTopNColumnAggregatesProcessor(Function<Object,Object> converter)

Method Summary

Modifier and Type	Method	Description
void	initAggregateStore()	Initializes the underlying aggregates store to something nice and seleector type appropriate

Methods inherited from class org.apache.druid.query.topn.types.NullableNumericTopNColumnAggregatesProcessor

closeAggregators, getCardinality, getRowSelector, scanAndAggregate, updateResults

Methods inherited from class java.lang.Object

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

Constructor Details

DoubleTopNColumnAggregatesProcessor

protected DoubleTopNColumnAggregatesProcessor(Function<Object,Object> converter)

Method Details

initAggregateStore

public void initAggregateStore()

Description copied from interface: TopNColumnAggregatesProcessor

Initializes the underlying aggregates store to something nice and seleector type appropriate