Generated by
JDiff

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

Removed Classes
PigMapBase  
PigMapReduce This class is the static Mapper & Reducer classes that are used by Pig to execute Pig Map Reduce jobs.
PigMapReduce.Map  
PigMapReduce.MapWithComparator This "specialized" map class is ONLY to be used in pig queries with order by a udf.
PigMapReduce.MapWithPartitionIndex Used by Skewed Join
PigMapReduce.Reduce  
PigMapReduce.ReduceWithComparator This "specialized" reduce class is ONLY to be used in pig queries with order by a udf.
 

Added Classes
LimitAdjuster  
MRUtil  
PigGenericMapBase This class is the base class for PigMapBase which has slightly difference among different versions of hadoop.
PigGenericMapReduce This class is the static Mapper & Reducer classes that are used by Pig to execute Pig Map Reduce jobs.
PigGenericMapReduce.Map  
PigGenericMapReduce.MapWithComparator This "specialized" map class is ONLY to be used in pig queries with order by a udf.
PigGenericMapReduce.MapWithPartitionIndex Used by Skewed Join
PigGenericMapReduce.Reduce  
PigGenericMapReduce.ReduceWithComparator This "specialized" reduce class is ONLY to be used in pig queries with order by a udf.
 

Changed Classes
ColumnChainInfo  
ColumnInfo  
JobControlCompiler This is compiler class that takes an MROperPlan and converts it into a JobControl object with the relevant dependency info maintained.
MapReduceLauncher Main class that launches pig for Map Reduce
MapReduceOper An operator model for a Map Reduce job.
PhyPlanSetter Sets the parent plan for all Physical Operators.
PigMapOnly.Map  
PigSplit The main split class that maintains important information about the input split.