org.apache.hadoop.hive.ql.optimizer
Class GenMROperator

java.lang.Object
  org.apache.hadoop.hive.ql.optimizer.GenMROperator

All Implemented Interfaces:

NodeProcessor

public class GenMROperator
extends Object
implements NodeProcessor

Processor for the rule - no specific rule fired.

Constructor Summary

GenMROperator()

Method Summary

Object

process(Node nd, Stack<Node> stack, NodeProcessorCtx procCtx, Object... nodeOutputs) Reduce Scan encountered.

Methods inherited from class java.lang.Object

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

Constructor Detail

GenMROperator

public GenMROperator()

Method Detail

process

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

Reduce Scan encountered.

Specified by:

process in interface NodeProcessor

Parameters:

nd - the reduce sink operator encountered

procCtx - 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