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

java.lang.Object
  extended by 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
clone, equals, finalize, 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


Copyright © 2009 The Apache Software Foundation