Package org.apache.calcite.rel.metadata

Interface BuiltInMetadata.PopulationSize.Handler

All Superinterfaces:

MetadataHandler<BuiltInMetadata.PopulationSize>

Enclosing interface:

BuiltInMetadata.PopulationSize

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

Handler API.

Method Summary

Modifier and Type	Method	Description
java.lang.Double	getPopulationSize(RelNode r, RelMetadataQuery mq, ImmutableBitSet groupKey)

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

getDef

Method Detail

getPopulationSize

java.lang.Double getPopulationSize(RelNode r,
                                   RelMetadataQuery mq,
                                   ImmutableBitSet groupKey)