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Package org.apache.pig.impl.logicalLayer

Removed Classes
LOFRJoin This is the logical operator for the Fragment Replicate Join It holds the user specified information and is responsible for the schema computation.
 

Added Classes
CastFinder A visitor to track the casts in a plan.
ColumnPruner  
LOCogroup.GROUPTYPE Enum for the type of group
LOJoin  
LOJoin.JOINTYPE Enum for the type of join
PColFilterExtractor This Visitor works on the filter condition of a LOFilter which immediately follows a LOLoad that interacts with a metadata system (currently OWL) to read table data.
ProjectFixerUpper A class to visit all the projects and change them to attach to a new node.
ProjectionMapCalculator A visitor to calculate all the projection maps in a logical plan.
ProjectionMapRemover A visitor to reset all the projection maps in a logical plan.
RelationalOperator  
UDFFinder A visitor to track the UDFs in a plan.
 

Changed Classes
LOCast  
LOCogroup  
LOCross  
LODistinct  
LOFilter  
LOForEach  
LOLimit  
LOLoad  
LOMapLookup  
LOSort  
LOSplit  
LOSplitOutput  
LOStore  
LOStream LOStream represents the specification of an external command to be executed in a Pig Query.
LOUnion  
LOVisitor A visitor mechanism for navigating and operating on a tree of Logical Operators.
LogicalOperator Parent for all Logical operators.
LogicalPlan  
PlanSetter A visitor to set plans correctly inside logical operators.
ProjectStarTranslator A visitor to walk operators that contain a nested plan and translate project( * ) operators to a list of projection operators i.e.