Uses of Class
org.apache.pig.impl.logicalLayer.LOVisitor

Packages that use LOVisitor
org.apache.pig.backend.hadoop.executionengine.physicalLayer Implementation of physical operators that use hadoop as the execution engine and data storage. 
org.apache.pig.backend.local.executionengine.physicalLayer   
org.apache.pig.impl.logicalLayer The logical operators that represent a pig script and tools for manipulating those operators. 
org.apache.pig.impl.logicalLayer.optimizer   
org.apache.pig.impl.logicalLayer.validators   
org.apache.pig.pen   
 

Uses of LOVisitor in org.apache.pig.backend.hadoop.executionengine.physicalLayer
 

Subclasses of LOVisitor in org.apache.pig.backend.hadoop.executionengine.physicalLayer
 class LogToPhyTranslationVisitor
           
 

Uses of LOVisitor in org.apache.pig.backend.local.executionengine.physicalLayer
 

Subclasses of LOVisitor in org.apache.pig.backend.local.executionengine.physicalLayer
 class LocalLogToPhyTranslationVisitor
           
 

Uses of LOVisitor in org.apache.pig.impl.logicalLayer
 

Subclasses of LOVisitor in org.apache.pig.impl.logicalLayer
 class LogicalPlanCloneHelper
          LogicalPlanCloneHelper implements a visitor mechanism to clone a logical plan and then patch up the connections held within the operators of the logical plan.
 class LOPrinter
          A visitor mechanism printing out the logical plan.
 class PlanSetter
          A visitor to set plans correctly inside logical operators.
 class ProjectStarTranslator
          A visitor to walk operators that contain a nested plan and translate project( * ) operators to a list of projection operators, i.e., project( * ) -> project(0), project(1), ...
 class RemoveRedundantOperators
          A visitor to remove redundant operators in a plan
 class TopLevelProjectFinder
          A visitor to track the top-level projection operators in a plan.
 

Methods in org.apache.pig.impl.logicalLayer with parameters of type LOVisitor
 void BinaryExpressionOperator.visit(LOVisitor v)
           
 void LOAdd.visit(LOVisitor v)
           
 void LOAnd.visit(LOVisitor v)
           
 void LOBinCond.visit(LOVisitor v)
           
 void LOCast.visit(LOVisitor v)
           
 void LOCogroup.visit(LOVisitor v)
           
 void LOConst.visit(LOVisitor v)
           
 void LOCross.visit(LOVisitor v)
           
 void LODefine.visit(LOVisitor v)
           
 void LODistinct.visit(LOVisitor v)
           
 void LODivide.visit(LOVisitor v)
           
 void LOEqual.visit(LOVisitor v)
           
 void LOFRJoin.visit(LOVisitor v)
           
 void LOFilter.visit(LOVisitor v)
           
 void LOForEach.visit(LOVisitor v)
           
 void LOGenerate.visit(LOVisitor v)
           
 void LOGreaterThan.visit(LOVisitor v)
           
 void LOGreaterThanEqual.visit(LOVisitor v)
           
 void LOIsNull.visit(LOVisitor v)
           
 void LOLesserThan.visit(LOVisitor v)
           
 void LOLesserThanEqual.visit(LOVisitor v)
           
 void LOLimit.visit(LOVisitor v)
           
 void LOLoad.visit(LOVisitor v)
           
 void LOMapLookup.visit(LOVisitor v)
           
 void LOMod.visit(LOVisitor v)
           
 void LOMultiply.visit(LOVisitor v)
           
 void LONegative.visit(LOVisitor v)
           
 void LONot.visit(LOVisitor v)
           
 void LONotEqual.visit(LOVisitor v)
           
 void LOOr.visit(LOVisitor v)
           
 void LOProject.visit(LOVisitor v)
           
 void LORegexp.visit(LOVisitor v)
           
 void LOSort.visit(LOVisitor v)
           
 void LOSplit.visit(LOVisitor v)
           
 void LOSplitOutput.visit(LOVisitor v)
           
 void LOStore.visit(LOVisitor v)
           
 void LOStream.visit(LOVisitor v)
           
 void LOSubtract.visit(LOVisitor v)
           
 void LOUnion.visit(LOVisitor v)
           
 void LOUserFunc.visit(LOVisitor v)
           
abstract  void LogicalOperator.visit(LOVisitor v)
          Visit this node with the provided visitor.
 void UnaryExpressionOperator.visit(LOVisitor v)
           
 

Uses of LOVisitor in org.apache.pig.impl.logicalLayer.optimizer
 

Subclasses of LOVisitor in org.apache.pig.impl.logicalLayer.optimizer
 class SchemaCalculator
          A visitor to reset all the schemas in a logical plan.
 class SchemaRemover
          A visitor to reset all the schemas in a logical plan.
 

Uses of LOVisitor in org.apache.pig.impl.logicalLayer.validators
 

Subclasses of LOVisitor in org.apache.pig.impl.logicalLayer.validators
 class InputOutputFileVisitor
          Visitor for checking input/output files Exceptions in here do not affect later operations so we don't throw any exception but log all of them in msgCollector.
 class TypeCheckingVisitor
          Visitor for type checking.
 

Uses of LOVisitor in org.apache.pig.pen
 

Subclasses of LOVisitor in org.apache.pig.pen
 class AugmentBaseDataVisitor
           
 class DerivedDataVisitor
           
 class LineageTrimmingVisitor
           
 



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