Class CFRNumberOfRequests

java.lang.Object

se.liu.ida.hefquin.engine.queryproc.impl.poptimizer.costmodel.CFRBase

se.liu.ida.hefquin.engine.queryproc.impl.poptimizer.costmodel.CFRNumberOfRequests

All Implemented Interfaces:

CostFunctionForRootOp

public class CFRNumberOfRequests
extends CFRBase

Field Summary

Fields

Modifier and Type	Field	Description
static final int	defaultPageSize

Fields inherited from class se.liu.ida.hefquin.engine.queryproc.impl.poptimizer.costmodel.CFRBase

cardEstimate

Constructor Summary

Constructors

Constructor	Description
CFRNumberOfRequests(CardinalityEstimation cardEstimate)

Method Summary

Modifier and Type	Method	Description
CompletableFuture<Integer>	initiateCostEstimation(PhysicalPlan plan)

Methods inherited from class se.liu.ida.hefquin.engine.queryproc.impl.poptimizer.costmodel.CFRBase

createIllegalArgumentException, createIllegalArgumentException, createIllegalArgumentException, createIllegalArgumentException, initiateCardinalityEstimation

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

defaultPageSize

public static final int defaultPageSize

See Also:

• Constant Field Values

Constructor Details

CFRNumberOfRequests

public CFRNumberOfRequests(CardinalityEstimation cardEstimate)

Method Details

initiateCostEstimation

public CompletableFuture<Integer> initiateCostEstimation(PhysicalPlan plan)