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

java.lang.Object
  org.apache.hadoop.hive.ql.optimizer.AbstractBucketJoinProc
      org.apache.hadoop.hive.ql.optimizer.AbstractSMBJoinProc

All Implemented Interfaces:

NodeProcessor

Direct Known Subclasses:

SortedMergeBucketMapjoinProc, SortedMergeJoinProc

public abstract class AbstractSMBJoinProc
extends AbstractBucketJoinProc
implements NodeProcessor

Constructor Summary

AbstractSMBJoinProc()

AbstractSMBJoinProc(ParseContext pctx)

Method Summary

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

getBucketFilePathsOfPartition, toColumns

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractSMBJoinProc

public AbstractSMBJoinProc(ParseContext pctx)

AbstractSMBJoinProc

public AbstractSMBJoinProc()

Method Detail

process

public abstract 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

Specified by:

process in class AbstractBucketJoinProc

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