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

java.lang.Object
  org.apache.hadoop.hive.ql.optimizer.NonBlockingOpDeDupProc

All Implemented Interfaces:

Transform

public class NonBlockingOpDeDupProc
extends Object
implements Transform

merges SEL-SEL or FIL-FIL into single operator

Constructor Summary

NonBlockingOpDeDupProc()

Method Summary

ParseContext

transform(ParseContext pctx) All transformation steps implement this interface.

Methods inherited from class java.lang.Object

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

Constructor Detail

NonBlockingOpDeDupProc

public NonBlockingOpDeDupProc()

Method Detail

transform

public ParseContext transform(ParseContext pctx)
                       throws SemanticException

Description copied from interface: Transform

All transformation steps implement this interface.

Specified by:

transform in interface Transform

Parameters:

pctx - input parse context

Returns:

ParseContext

Throws:

SemanticException