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

Class Summary
DotMRPrinter This class can print an MR plan in the DOT format.
MROperPlan A Plan used to create the plan of Map Reduce Operators which can be converted into the Job Control object.
MROpPlanVisitor A visitor for the MROperPlan class
MRPrinter A visitor mechanism printing out the logical plan.
MRStreamHandler This visitor visits the MRPlan and does the following for each MROper - If the map plan or the reduce plan of the MROper has a POStream in it, this marks in the MROper whether the map has a POStream or if the reduce has a POStream.
POPackageAnnotator This visitor visits the MRPlan and does the following for each MROper - visits the POPackage in the reduce plan and finds the corresponding POLocalRearrange(s) (either in the map plan of the same oper OR reduce plan of predecessor MROper).
UDFFinder  
 



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