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

Method Details

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>