org.apache.calcite.rel.metadata

Interface BuiltInMetadata.NodeTypes.Handler

All Superinterfaces:

MetadataHandler<BuiltInMetadata.NodeTypes>

Enclosing interface:

BuiltInMetadata.NodeTypes

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.NodeTypes.Handler
extends MetadataHandler<BuiltInMetadata.NodeTypes>

Handler API.

Method Summary

Modifier and Type	Method and Description
default MetadataDef<BuiltInMetadata.NodeTypes>	getDef()
@Nullable com.google.common.collect.Multimap<Class<? extends RelNode>,RelNode>	getNodeTypes(RelNode r, RelMetadataQuery mq)

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

handlerMethods

Method Detail

getNodeTypes

@Nullable com.google.common.collect.Multimap<Class<? extends RelNode>,RelNode> getNodeTypes(RelNode r,
                                                                                            RelMetadataQuery mq)

getDef

default MetadataDef<BuiltInMetadata.NodeTypes> getDef()

Specified by:

getDef in interface MetadataHandler<BuiltInMetadata.NodeTypes>