org.apache.hadoop.hive.ql.optimizer
Class GroupByOptimizer.SortGroupBySkewProcessor

java.lang.Object
  org.apache.hadoop.hive.ql.optimizer.GroupByOptimizer.SortGroupByProcessor
      org.apache.hadoop.hive.ql.optimizer.GroupByOptimizer.SortGroupBySkewProcessor

All Implemented Interfaces:

NodeProcessor

Enclosing class:

GroupByOptimizer

public class GroupByOptimizer.SortGroupBySkewProcessor
extends GroupByOptimizer.SortGroupByProcessor

SortGroupByProcessor.

Constructor Summary

GroupByOptimizer.SortGroupBySkewProcessor(ParseContext pGraphContext)

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

GroupByOptimizer.SortGroupBySkewProcessor

public GroupByOptimizer.SortGroupBySkewProcessor(ParseContext pGraphContext)

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

Overrides:

process in class GroupByOptimizer.SortGroupByProcessor

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