org.apache.hadoop.hive.ql.parse

Class TableAccessAnalyzer.GroupByProcessor

java.lang.Object

org.apache.hadoop.hive.ql.parse.TableAccessAnalyzer.GroupByProcessor

All Implemented Interfaces:

NodeProcessor

Enclosing class:

TableAccessAnalyzer

public class TableAccessAnalyzer.GroupByProcessor
extends java.lang.Object
implements NodeProcessor

Processor for GroupBy operator

Field Summary

Fields

Modifier and Type	Field and Description
protected ParseContext	pGraphContext

Constructor Summary

Constructors

Constructor and Description
GroupByProcessor(ParseContext pGraphContext)

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 java.lang.Object

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

Field Detail

pGraphContext

protected ParseContext pGraphContext

Constructor Detail

GroupByProcessor

public GroupByProcessor(ParseContext pGraphContext)

Method Detail

process

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

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