Class RelMdUniqueKeys

java.lang.Object
org.apache.calcite.rel.metadata.RelMdUniqueKeys
All Implemented Interfaces:
MetadataHandler<BuiltInMetadata.UniqueKeys>

public class RelMdUniqueKeys
extends Object
implements MetadataHandler<BuiltInMetadata.UniqueKeys>
RelMdUniqueKeys supplies a default implementation of RelMetadataQuery.getUniqueKeys(org.apache.calcite.rel.RelNode) for the standard logical algebra.