org.apache.calcite.rel.metadata

Class RelMdMemory

java.lang.Object

org.apache.calcite.rel.metadata.RelMdMemory

public class RelMdMemory
extends Object

Default implementations of the BuiltInMetadata.Memory metadata provider for the standard logical algebra.

See Also:

RelMetadataQuery.isPhaseTransition(org.apache.calcite.rel.RelNode), RelMetadataQuery.splitCount(org.apache.calcite.rel.RelNode)

Field Summary

Fields

Modifier and Type	Field and Description
static RelMetadataProvider	SOURCE Source for BuiltInMetadata.Memory.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	RelMdMemory()

Method Summary

Methods

Modifier and Type	Method and Description
Double	cumulativeMemoryWithinPhase(RelNode rel) Catch-all implementation for BuiltInMetadata.Memory.cumulativeMemoryWithinPhase(), invoked using reflection.
Double	cumulativeMemoryWithinPhaseSplit(RelNode rel) Catch-all implementation for BuiltInMetadata.Memory.cumulativeMemoryWithinPhaseSplit(), invoked using reflection.
Double	memory(RelNode rel) Catch-all implementation for BuiltInMetadata.Memory.memory(), invoked using reflection.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

SOURCE

public static final RelMetadataProvider SOURCE

Source for BuiltInMetadata.Memory.

Constructor Detail

RelMdMemory

protected RelMdMemory()

Method Detail

memory

public Double memory(RelNode rel)

Catch-all implementation for BuiltInMetadata.Memory.memory(), invoked using reflection.

See Also:

RelMetadataQuery.memory(org.apache.calcite.rel.RelNode)

cumulativeMemoryWithinPhase

public Double cumulativeMemoryWithinPhase(RelNode rel)

Catch-all implementation for BuiltInMetadata.Memory.cumulativeMemoryWithinPhase(), invoked using reflection.

See Also:

RelMetadataQuery.memory(org.apache.calcite.rel.RelNode)

cumulativeMemoryWithinPhaseSplit

public Double cumulativeMemoryWithinPhaseSplit(RelNode rel)

Catch-all implementation for BuiltInMetadata.Memory.cumulativeMemoryWithinPhaseSplit(), invoked using reflection.

See Also:

RelMetadataQuery.cumulativeMemoryWithinPhaseSplit(org.apache.calcite.rel.RelNode)