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Package org.apache.pig.backend.hadoop.executionengine.util

Added Classes
AccumulatorOptimizerUtil  
CombinerOptimizerUtil  
ParallelConstantVisitor  
SecondaryKeyOptimizerUtil  
SecondaryKeyOptimizerUtil.
SecondaryKeyOptimizerInfo
 
 

Changed Classes
MapRedUtil A class of utility static methods to be used in the hadoop map reduce backend