org.apache.hadoop.hive.ql.optimizer

Class ColumnPrunerProcFactory.ColumnPrunerMapJoinProc

java.lang.Object

org.apache.hadoop.hive.ql.optimizer.ColumnPrunerProcFactory.ColumnPrunerMapJoinProc

All Implemented Interfaces:

NodeProcessor

Enclosing class:

ColumnPrunerProcFactory

public static class ColumnPrunerProcFactory.ColumnPrunerMapJoinProc
extends java.lang.Object
implements NodeProcessor

The Node Processor for Column Pruning on Map Join Operators.

Constructor Summary

Constructors

Constructor and Description
ColumnPrunerMapJoinProc()

Method Summary

Modifier and Type	Method and Description
java.lang.Object	process(Node nd, java.util.Stack<Node> stack, NodeProcessorCtx ctx, java.lang.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

ColumnPrunerMapJoinProc

public ColumnPrunerMapJoinProc()

Method Detail

process

public java.lang.Object process(Node nd,
                                java.util.Stack<Node> stack,
                                NodeProcessorCtx ctx,
                                java.lang.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

ctx - 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