org.apache.calcite.rel.metadata

Interface BuiltInMetadata.CumulativeCost.Handler

All Superinterfaces:

MetadataHandler<BuiltInMetadata.CumulativeCost>

Enclosing interface:

BuiltInMetadata.CumulativeCost

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.CumulativeCost.Handler
extends MetadataHandler<BuiltInMetadata.CumulativeCost>

Handler API.

Method Summary

Modifier and Type	Method and Description
RelOptCost	getCumulativeCost(RelNode r, RelMetadataQuery mq)
default MetadataDef<BuiltInMetadata.CumulativeCost>	getDef()

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

handlerMethods

Method Detail

getCumulativeCost

RelOptCost getCumulativeCost(RelNode r,
                             RelMetadataQuery mq)

getDef

default MetadataDef<BuiltInMetadata.CumulativeCost> getDef()

Specified by:

getDef in interface MetadataHandler<BuiltInMetadata.CumulativeCost>