Package org.apache.flink.table.planner.plan.metadata

Interface FlinkMetadata.UniqueGroups.Handler

All Superinterfaces:

org.apache.calcite.rel.metadata.MetadataHandler<FlinkMetadata.UniqueGroups>

Enclosing interface:

FlinkMetadata.UniqueGroups

public static interface FlinkMetadata.UniqueGroups.Handler
extends org.apache.calcite.rel.metadata.MetadataHandler<FlinkMetadata.UniqueGroups>

Handler API.

Method Summary

Modifier and Type	Method	Description
org.apache.calcite.util.ImmutableBitSet	getUniqueGroups(org.apache.calcite.rel.RelNode r, org.apache.calcite.rel.metadata.RelMetadataQuery mq, org.apache.calcite.util.ImmutableBitSet columns)

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

getDef

Method Detail

getUniqueGroups

org.apache.calcite.util.ImmutableBitSet getUniqueGroups(org.apache.calcite.rel.RelNode r,
                                                        org.apache.calcite.rel.metadata.RelMetadataQuery mq,
                                                        org.apache.calcite.util.ImmutableBitSet columns)