org.apache.hadoop.hive.ql.optimizer

Class GenMRRedSink3

java.lang.Object

org.apache.hadoop.hive.ql.optimizer.GenMRRedSink3

All Implemented Interfaces:

NodeProcessor

public class GenMRRedSink3
extends Object
implements NodeProcessor

Processor for the rule - union followed by reduce sink.

Constructor Summary

Constructors

Constructor and Description
GenMRRedSink3()

Method Summary

Methods

Modifier and Type	Method and Description
Object	process(Node nd, Stack<Node> stack, NodeProcessorCtx opProcCtx, Object... nodeOutputs) Reduce Scan encountered.

Methods inherited from class java.lang.Object

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

Constructor Detail

GenMRRedSink3

public GenMRRedSink3()

Method Detail

process

public Object process(Node nd,
             Stack<Node> stack,
             NodeProcessorCtx opProcCtx,
             Object... nodeOutputs)
               throws SemanticException

Reduce Scan encountered.

Specified by:

process in interface NodeProcessor

Parameters:

nd - the reduce sink operator encountered

opProcCtx - context

nodeOutputs - A variable argument list of outputs from other nodes in the walk

Returns:

Object to be returned by the process call

Throws:

SemanticException