org.apache.hadoop.hive.ql.optimizer.pcr
Class PcrOpProcFactory.FilterPCR

java.lang.Object
  org.apache.hadoop.hive.ql.optimizer.pcr.PcrOpProcFactory.FilterPCR

All Implemented Interfaces:

NodeProcessor

Enclosing class:

PcrOpProcFactory

public static class PcrOpProcFactory.FilterPCR
extends Object
implements NodeProcessor

Remove partition condition in a filter operator when possible. This is called only when the filter follows a table scan operator.

Constructor Summary

PcrOpProcFactory.FilterPCR()

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

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

Constructor Detail

PcrOpProcFactory.FilterPCR

public PcrOpProcFactory.FilterPCR()

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