Package org.apache.druid.query.operator.window.ranking

Class WindowDenseRankProcessor

java.lang.Object

org.apache.druid.query.operator.window.ranking.WindowRankingProcessorBase

org.apache.druid.query.operator.window.ranking.WindowDenseRankProcessor

All Implemented Interfaces:

Processor

public class WindowDenseRankProcessor
extends WindowRankingProcessorBase

This Processor assumes that data has already been sorted for it. It does not re-sort the data and if it is given data that is not in the correct sorted order, its operation is undefined.

Constructor Summary

Constructors

Constructor	Description
WindowDenseRankProcessor(List<String> groupingCols, String outputColumn)

Method Summary

Modifier and Type	Method	Description
RowsAndColumns	process(RowsAndColumns incomingPartition)	Applies the logic of the processor to a RowsAndColumns object

Methods inherited from class org.apache.druid.query.operator.window.ranking.WindowRankingProcessorBase

equals, getGroupingCols, getOutputColumn, getOutputColumnNames, hashCode, internalToString, intervalValidation, processInternal, toString, validateEquivalent

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

WindowDenseRankProcessor

public WindowDenseRankProcessor(List<String> groupingCols,
 String outputColumn)

Method Details

process

public RowsAndColumns process(RowsAndColumns incomingPartition)

Description copied from interface: Processor

Applies the logic of the processor to a RowsAndColumns object

Parameters:

incomingPartition - the incoming RowsAndColumns object

Returns:

the transformed RowsAndColumns object