org.apache.calcite.rel.metadata

Interface BuiltInMetadata.Collation.Handler

All Superinterfaces:

MetadataHandler<BuiltInMetadata.Collation>

Enclosing interface:

BuiltInMetadata.Collation

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.Collation.Handler
extends MetadataHandler<BuiltInMetadata.Collation>

Handler API.

Method Summary

Modifier and Type	Method and Description
com.google.common.collect.ImmutableList<RelCollation>	collations(RelNode r, RelMetadataQuery mq)
default MetadataDef<BuiltInMetadata.Collation>	getDef()

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

handlerMethods

Method Detail

collations

com.google.common.collect.ImmutableList<RelCollation> collations(RelNode r,
                                                                 RelMetadataQuery mq)

getDef

default MetadataDef<BuiltInMetadata.Collation> getDef()

Specified by:

getDef in interface MetadataHandler<BuiltInMetadata.Collation>