Package se.liu.ida.hefquin.engine.queryproc.impl.poptimizer.simple

Interface JoinPlanOptimizer

All Known Implementing Classes:

CardinalityBasedGreedyJoinPlanOptimizerImpl, CostModelBasedGreedyJoinPlanOptimizerImpl, DPBasedBushyJoinPlanOptimizer, DPBasedJoinPlanOptimizer, DPBasedLinearJoinPlanOptimizer, JoinPlanOptimizerBase, RandomizedJoinPlanOptimizerImpl

public interface JoinPlanOptimizer

Method Summary

Modifier and Type	Method	Description
PhysicalPlan	determineJoinPlan(List<PhysicalPlan> subplans)	Returns a plan that combines the given subplans using binary joins.
default PhysicalPlan	determineJoinPlan(PhysicalPlan[] subplans)	Returns a plan that combines the given subplans using binary joins.

Method Details

determineJoinPlan

PhysicalPlan determineJoinPlan(List<PhysicalPlan> subplans)
                        throws PhysicalOptimizationException

Returns a plan that combines the given subplans using binary joins.

Throws:

PhysicalOptimizationException

determineJoinPlan

default PhysicalPlan determineJoinPlan(PhysicalPlan[] subplans)
                                throws PhysicalOptimizationException

Returns a plan that combines the given subplans using binary joins.

Throws:

PhysicalOptimizationException