Package org.apache.calcite.rel.metadata

Interface BuiltInMetadata.FunctionalDependency.Handler

All Superinterfaces:

MetadataHandler<BuiltInMetadata.FunctionalDependency>

Enclosing interface:

BuiltInMetadata.FunctionalDependency

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

Handler API.

Method Summary

Modifier and Type	Method	Description
ImmutableBitSet	dependents(RelNode r, RelMetadataQuery mq, ImmutableBitSet ordinals)
Set<ImmutableBitSet>	determinants(RelNode r, RelMetadataQuery mq, ImmutableBitSet ordinals)
@Nullable Boolean	determines(RelNode r, RelMetadataQuery mq, int key, int column)
Boolean	determinesSet(RelNode r, RelMetadataQuery mq, ImmutableBitSet determinants, ImmutableBitSet dependents)
default MetadataDef<BuiltInMetadata.FunctionalDependency>	getDef()
ArrowSet	getFDs(RelNode r, RelMetadataQuery mq)

Method Details

determines

@Nullable Boolean determines(RelNode r,
 RelMetadataQuery mq,
 int key,
 int column)

determinesSet

Boolean determinesSet(RelNode r,
 RelMetadataQuery mq,
 ImmutableBitSet determinants,
 ImmutableBitSet dependents)

dependents

ImmutableBitSet dependents(RelNode r,
 RelMetadataQuery mq,
 ImmutableBitSet ordinals)

determinants

Set<ImmutableBitSet> determinants(RelNode r,
 RelMetadataQuery mq,
 ImmutableBitSet ordinals)

getFDs

ArrowSet getFDs(RelNode r,
 RelMetadataQuery mq)

getDef

default MetadataDef<BuiltInMetadata.FunctionalDependency> getDef()

Specified by:

getDef in interface MetadataHandler<BuiltInMetadata.FunctionalDependency>