Package org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators

Added Classes
LoadFuncDecorator	This class is used to decorate the {@code LoadFunc#getNext(Tuple)}.
POMergeCogroupTez
POMergeJoinTez

 

Changed Classes
POForEach
POLoad	The load operator which is used in two ways: 1) As a local operator it can be used to load files 2) In the Map Reduce setting it is used to create jobs from MapReduce operators which keep the loads and stores in the Map and Reduce Plans till the job is created
POMergeCogroup
POMergeJoin	This operator implements merge join algorithm to do map side joins.
POReservoirSample