org.apache.hadoop.hive.ql.optimizer.ppr
Class OpProcFactory.FilterPPR

java.lang.Object
  extended by org.apache.hadoop.hive.ql.optimizer.ppr.OpProcFactory.FilterPPR
All Implemented Interfaces:
NodeProcessor
Enclosing class:
OpProcFactory

public static class OpProcFactory.FilterPPR
extends Object
implements NodeProcessor

Determines the partition pruner for the filter. This is called only when the filter follows a table scan operator.


Constructor Summary
OpProcFactory.FilterPPR()
           
 
Method Summary
 Object process(Node nd, Stack<Node> stack, NodeProcessorCtx procCtx, Object... nodeOutputs)
          generic process for all ops that don't have specific implementations
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

OpProcFactory.FilterPPR

public OpProcFactory.FilterPPR()
Method Detail

process

public Object process(Node nd,
                      Stack<Node> stack,
                      NodeProcessorCtx procCtx,
                      Object... nodeOutputs)
               throws SemanticException
Description copied from interface: NodeProcessor
generic process for all ops that don't have specific implementations

Specified by:
process in interface NodeProcessor
Parameters:
nd - operator to process
procCtx - operator processor 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