Package org.apache.pig.impl.logicalLayer.validators

Class Summary
InputOutputFileValidator This validator does check 1) Input files referred to by all LOLoads exist 2) Output files referred to by all LOStores do not exist
InputOutputFileVisitor Visitor for checking output specification In addition to throwing exception we also log them in msgCollector.
LogicalPlanValidationExecutor This class is responsible for all logical plan validations after the parsing stage.
SchemaAliasValidator  
SchemaAliasVisitor  
TypeCheckingValidator  
TypeCheckingVisitor Visitor for type checking.
 

Exception Summary
TypeCheckerException  
UnionOnSchemaSetException  
 



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