org.apache.hadoop.hive.ql.optimizer

Class SortedMergeJoinProc

java.lang.Object

org.apache.hadoop.hive.ql.optimizer.AbstractBucketJoinProc

org.apache.hadoop.hive.ql.optimizer.AbstractSMBJoinProc

org.apache.hadoop.hive.ql.optimizer.SortedMergeJoinProc

All Implemented Interfaces:

NodeProcessor

public class SortedMergeJoinProc
extends AbstractSMBJoinProc
implements NodeProcessor

Field Summary

Fields inherited from class org.apache.hadoop.hive.ql.optimizer.AbstractBucketJoinProc

pGraphContext

Constructor Summary

Constructors

Constructor and Description
SortedMergeJoinProc()
SortedMergeJoinProc(ParseContext pctx)

Method Summary

Modifier and Type	Method and Description
java.lang.Object	process(Node nd, java.util.Stack<Node> stack, NodeProcessorCtx procCtx, java.lang.Object... nodeOutputs) Generic process for all ops that don't have specific implementations.

Methods inherited from class org.apache.hadoop.hive.ql.optimizer.AbstractSMBJoinProc

canConvertBucketMapJoinToSMBJoin, canConvertJoinToBucketMapJoin, canConvertJoinToSMBJoin, checkConvertJoinToSMBJoin, convertBucketMapJoinToSMBJoin, convertJoinToBucketMapJoin, convertJoinToSMBJoin

Methods inherited from class org.apache.hadoop.hive.ql.optimizer.AbstractBucketJoinProc

canConvertMapJoinToBucketMapJoin, checkConvertBucketMapJoin, convertMapJoinToBucketMapJoin, toColumns

Methods inherited from class java.lang.Object

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

Constructor Detail

SortedMergeJoinProc

public SortedMergeJoinProc(ParseContext pctx)

SortedMergeJoinProc

public SortedMergeJoinProc()

Method Detail

process

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

Specified by:

process in class AbstractSMBJoinProc

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