io.prestosql.sql.planner.optimizations

Class ActualProperties

java.lang.Object

io.prestosql.sql.planner.optimizations.ActualProperties

public class ActualProperties
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ActualProperties.Builder
static class	ActualProperties.Global

Method Summary

Modifier and Type	Method and Description
static ActualProperties.Builder	builder()
static ActualProperties.Builder	builderFrom(ActualProperties properties)
boolean	equals(Object obj)
Map<Symbol,NullableValue>	getConstants()
List<LocalProperty<Symbol>>	getLocalProperties()
Optional<Partitioning>	getNodePartitioning()
int	hashCode()
boolean	isCompatibleTablePartitioningWith(ActualProperties other, Function<Symbol,Set<Symbol>> symbolMappings, Metadata metadata, Session session)
boolean	isCompatibleTablePartitioningWith(Partitioning partitioning, boolean nullsAndAnyReplicated, Metadata metadata, Session session)
boolean	isCoordinatorOnly()
boolean	isEffectivelySingleStream()
boolean	isNodePartitionedOn(Collection<Symbol> columns)
boolean	isNodePartitionedOn(Collection<Symbol> columns, boolean nullsAndAnyReplicated)
boolean	isNullsAndAnyReplicated()
boolean	isSingleNode()
boolean	isStreamPartitionedOn(Collection<Symbol> columns)
boolean	isStreamPartitionedOn(Collection<Symbol> columns, boolean nullsAndAnyReplicated)
boolean	isStreamRepartitionEffective(Collection<Symbol> keys)
String	toString()
ActualProperties	translate(Function<Symbol,Optional<Symbol>> translator)
ActualProperties	translate(Function<Symbol,Optional<Symbol>> translator, Function<Expression,Optional<Symbol>> expressionTranslator)
ActualProperties	withReplicatedNulls(boolean replicatedNulls)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Detail

isCoordinatorOnly

public boolean isCoordinatorOnly()

isSingleNode

public boolean isSingleNode()

Returns:

true if the plan will only execute on a single node

isNullsAndAnyReplicated

public boolean isNullsAndAnyReplicated()

isStreamPartitionedOn

public boolean isStreamPartitionedOn(Collection<Symbol> columns)

isStreamPartitionedOn

public boolean isStreamPartitionedOn(Collection<Symbol> columns,
                                     boolean nullsAndAnyReplicated)

isNodePartitionedOn

public boolean isNodePartitionedOn(Collection<Symbol> columns)

isNodePartitionedOn

public boolean isNodePartitionedOn(Collection<Symbol> columns,
                                   boolean nullsAndAnyReplicated)

isCompatibleTablePartitioningWith

public boolean isCompatibleTablePartitioningWith(Partitioning partitioning,
                                                 boolean nullsAndAnyReplicated,
                                                 Metadata metadata,
                                                 Session session)

isCompatibleTablePartitioningWith

public boolean isCompatibleTablePartitioningWith(ActualProperties other,
                                                 Function<Symbol,Set<Symbol>> symbolMappings,
                                                 Metadata metadata,
                                                 Session session)

isEffectivelySingleStream

public boolean isEffectivelySingleStream()

Returns:

true if all the data will effectively land in a single stream

isStreamRepartitionEffective

public boolean isStreamRepartitionEffective(Collection<Symbol> keys)

Returns:

true if repartitioning on the keys will yield some difference

translate

public ActualProperties translate(Function<Symbol,Optional<Symbol>> translator)

translate

public ActualProperties translate(Function<Symbol,Optional<Symbol>> translator,
                                  Function<Expression,Optional<Symbol>> expressionTranslator)

getNodePartitioning

public Optional<Partitioning> getNodePartitioning()

getConstants

public Map<Symbol,NullableValue> getConstants()

getLocalProperties

public List<LocalProperty<Symbol>> getLocalProperties()

withReplicatedNulls

public ActualProperties withReplicatedNulls(boolean replicatedNulls)

builder

public static ActualProperties.Builder builder()

builderFrom

public static ActualProperties.Builder builderFrom(ActualProperties properties)

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object