org.apache.calcite.rel.metadata

Interface BuiltInMetadata.Size.Handler

All Superinterfaces:

MetadataHandler<BuiltInMetadata.Size>

Enclosing interface:

BuiltInMetadata.Size

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

Handler API.

Method Summary

Modifier and Type	Method and Description
List<Double>	averageColumnSizes(RelNode r, RelMetadataQuery mq)
Double	averageRowSize(RelNode r, RelMetadataQuery mq)

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

getDef

Method Detail

averageRowSize

Double averageRowSize(RelNode r,
                      RelMetadataQuery mq)

averageColumnSizes

List<Double> averageColumnSizes(RelNode r,
                                RelMetadataQuery mq)