org.apache.calcite.rel.metadata

Interface BuiltInMetadata.LowerBoundCost.Handler

All Superinterfaces:

MetadataHandler<BuiltInMetadata.LowerBoundCost>

Enclosing interface:

BuiltInMetadata.LowerBoundCost

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public static interface BuiltInMetadata.LowerBoundCost.Handler
extends MetadataHandler<BuiltInMetadata.LowerBoundCost>

Handler API.

Method Summary

Modifier and Type	Method and Description
default MetadataDef<BuiltInMetadata.LowerBoundCost>	getDef()
RelOptCost	getLowerBoundCost(RelNode r, RelMetadataQuery mq, VolcanoPlanner planner)

Methods inherited from interface org.apache.calcite.rel.metadata.MetadataHandler

handlerMethods

Method Detail

getLowerBoundCost

RelOptCost getLowerBoundCost(RelNode r,
                             RelMetadataQuery mq,
                             VolcanoPlanner planner)

getDef

default MetadataDef<BuiltInMetadata.LowerBoundCost> getDef()

Specified by:

getDef in interface MetadataHandler<BuiltInMetadata.LowerBoundCost>