Uses of Class
org.apache.flink.optimizer.costs.CostEstimator

Packages that use CostEstimator

Package	Description
org.apache.flink.optimizer
org.apache.flink.optimizer.costs
org.apache.flink.optimizer.dag
org.apache.flink.optimizer.traversals	This package contains the various traversals over the program plan and the optimizer DAG (directed acyclic graph) that are made in the course of the optimization.

Uses of CostEstimator in org.apache.flink.optimizer

Constructors in org.apache.flink.optimizer with parameters of type CostEstimator

Constructor and Description
Optimizer(CostEstimator estimator, Configuration config) Creates a new optimizer instance.
Optimizer(DataStatistics stats, CostEstimator estimator, Configuration config) Creates a new optimizer instance that uses the statistics object to determine properties about the input.

Uses of CostEstimator in org.apache.flink.optimizer.costs

Subclasses of CostEstimator in org.apache.flink.optimizer.costs

Modifier and Type	Class and Description
class	DefaultCostEstimator A default cost estimator that has access to basic size and cardinality estimates.

Uses of CostEstimator in org.apache.flink.optimizer.dag

Methods in org.apache.flink.optimizer.dag with parameters of type CostEstimator

Modifier and Type	Method and Description
protected void	TwoInputNode.addLocalCandidates(Channel template1, Channel template2, List<Set<? extends NamedChannel>> broadcastPlanChannels, RequestedGlobalProperties rgps1, RequestedGlobalProperties rgps2, List<PlanNode> target, OperatorDescriptorDual.LocalPropertiesPair[] validLocalCombinations, CostEstimator estimator)
protected void	SingleInputNode.addLocalCandidates(Channel template, List<Set<? extends NamedChannel>> broadcastPlanChannels, RequestedGlobalProperties rgps, List<PlanNode> target, CostEstimator estimator)
void	DataSourceNode.computeInterestingPropertiesForInputs(CostEstimator estimator)
void	BinaryUnionNode.computeInterestingPropertiesForInputs(CostEstimator estimator)
void	SingleInputNode.computeInterestingPropertiesForInputs(CostEstimator estimator)
void	TwoInputNode.computeInterestingPropertiesForInputs(CostEstimator estimator)
void	AbstractPartialSolutionNode.computeInterestingPropertiesForInputs(CostEstimator estimator)
void	WorksetIterationNode.computeInterestingPropertiesForInputs(CostEstimator estimator)
abstract void	OptimizerNode.computeInterestingPropertiesForInputs(CostEstimator estimator) Tells the node to compute the interesting properties for its inputs.
void	BulkIterationNode.computeInterestingPropertiesForInputs(CostEstimator estimator)
void	DataSinkNode.computeInterestingPropertiesForInputs(CostEstimator estimator)
List<PlanNode>	DataSourceNode.getAlternativePlans(CostEstimator estimator)
List<PlanNode>	BinaryUnionNode.getAlternativePlans(CostEstimator estimator)
List<PlanNode>	SingleInputNode.getAlternativePlans(CostEstimator estimator)
List<PlanNode>	TwoInputNode.getAlternativePlans(CostEstimator estimator)
List<PlanNode>	AbstractPartialSolutionNode.getAlternativePlans(CostEstimator estimator)
abstract List<PlanNode>	OptimizerNode.getAlternativePlans(CostEstimator estimator) Computes the plan alternatives for this node, an implicitly for all nodes that are children of this node.
List<PlanNode>	DataSinkNode.getAlternativePlans(CostEstimator estimator)
protected void	TwoInputNode.instantiate(OperatorDescriptorDual operator, Channel in1, Channel in2, List<Set<? extends NamedChannel>> broadcastPlanChannels, List<PlanNode> target, CostEstimator estimator, RequestedGlobalProperties globPropsReq1, RequestedGlobalProperties globPropsReq2, RequestedLocalProperties locPropsReq1, RequestedLocalProperties locPropsReq2)
protected void	WorksetIterationNode.instantiate(OperatorDescriptorDual operator, Channel solutionSetIn, Channel worksetIn, List<Set<? extends NamedChannel>> broadcastPlanChannels, List<PlanNode> target, CostEstimator estimator, RequestedGlobalProperties globPropsReqSolutionSet, RequestedGlobalProperties globPropsReqWorkset, RequestedLocalProperties locPropsReqSolutionSet, RequestedLocalProperties locPropsReqWorkset)
protected void	SingleInputNode.instantiateCandidate(OperatorDescriptorSingle dps, Channel in, List<Set<? extends NamedChannel>> broadcastPlanChannels, List<PlanNode> target, CostEstimator estimator, RequestedGlobalProperties globPropsReq, RequestedLocalProperties locPropsReq)
protected void	BulkIterationNode.instantiateCandidate(OperatorDescriptorSingle dps, Channel in, List<Set<? extends NamedChannel>> broadcastPlanChannels, List<PlanNode> target, CostEstimator estimator, RequestedGlobalProperties globPropsReq, RequestedLocalProperties locPropsReq)

Uses of CostEstimator in org.apache.flink.optimizer.traversals

Constructors in org.apache.flink.optimizer.traversals with parameters of type CostEstimator

Constructor and Description
InterestingPropertyVisitor(CostEstimator estimator) Creates a new visitor that computes the interesting properties for all nodes in the plan.