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vishnu.model.algebra.optimizer.costs
Interface CostEstimator

All Known Implementing Classes:
AbstractCostEstimator, HashIndexEqualtySelectionCostEstimator, NoIndexSortedDataSelectionCostEstimator, ScanSelectionCostEstimator
public interface CostEstimator

 

Method Summary
 int cost()
           
 void setDatabase(Database d)
           
 void setRelation(Relation r)
           
 

Method Detail

setDatabase

void setDatabase(Database d)

setRelation

void setRelation(Relation r)

cost

int cost()
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