org.apache.calcite.rel.metadata

Interface BuiltInMetadata.UniqueKeys.Handler

All Superinterfaces:

MetadataHandler<BuiltInMetadata.UniqueKeys>

Enclosing interface:

BuiltInMetadata.UniqueKeys

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

Handler API.

Method Summary

Modifier and Type	Method and Description
Set<ImmutableBitSet>	getUniqueKeys(RelNode r, RelMetadataQuery mq, boolean ignoreNulls)

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

getDef

Method Detail

getUniqueKeys

Set<ImmutableBitSet> getUniqueKeys(RelNode r,
                                   RelMetadataQuery mq,
                                   boolean ignoreNulls)