org.apache.calcite.rel.metadata

Interface BuiltInMetadata.Parallelism.Handler

All Superinterfaces:

MetadataHandler<BuiltInMetadata.Parallelism>

Enclosing interface:

BuiltInMetadata.Parallelism

public static interface BuiltInMetadata.Parallelism.Handler
extends MetadataHandler<BuiltInMetadata.Parallelism>

Handler API.

Method Summary

Modifier and Type	Method and Description
default MetadataDef<BuiltInMetadata.Parallelism>	getDef()
Boolean	isPhaseTransition(RelNode r, RelMetadataQuery mq)
Integer	splitCount(RelNode r, RelMetadataQuery mq)

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

handlerMethods

Method Detail

isPhaseTransition

Boolean isPhaseTransition(RelNode r,
                          RelMetadataQuery mq)

splitCount

Integer splitCount(RelNode r,
                   RelMetadataQuery mq)

getDef

default MetadataDef<BuiltInMetadata.Parallelism> getDef()

Specified by:

getDef in interface MetadataHandler<BuiltInMetadata.Parallelism>