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

Added Classes
CombinerOptimizerUtil.
DistinctPatcher
A visitor to replace Project[bag][*] | |---PODistinct[bag] with POUserFunc(org.apache.pig.builtin.Distinct)[DataBag]
CombinerOptimizerUtil.
fixMapProjects
 
 

Changed Classes
AccumulatorOptimizerUtil  
CombinerOptimizerUtil  
SecondaryKeyOptimizerUtil