Package org.apache.pig.impl.plan.optimizer

Class Summary
PlanOptimizer<O extends Operator,P extends OperatorPlan<O>> A class to optimize plans.
Rule<O extends Operator,P extends OperatorPlan<O>> A rule for optimizing a plan.
RuleMatcher<O extends Operator,P extends OperatorPlan<O>> RuleMatcher contains the logic to determine whether a given rule matches.
Transformer<O extends Operator,P extends OperatorPlan<O>> Transformer represents one tranform that the optimizer can apply to a graph.
 

Enum Summary
Rule.WalkerAlgo  
 

Exception Summary
OptimizerException  
 



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