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

Class WindowFirstProcessor

java.lang.Object

org.apache.druid.query.operator.window.value.WindowValueProcessorBase

org.apache.druid.query.operator.window.value.WindowFirstProcessor

All Implemented Interfaces:

Processor

public class WindowFirstProcessor
extends WindowValueProcessorBase

Constructor Summary

Constructors

Constructor	Description
WindowFirstProcessor(String inputColumn, 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.value.WindowValueProcessorBase

getInputColumn, getOutputColumn, getOutputColumnNames, internalToString, intervalValidation, processInternal, toString, validateEquivalent

Methods inherited from class java.lang.Object

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

Constructor Details

WindowFirstProcessor

public WindowFirstProcessor(String inputColumn,
 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