Package io.trino.sql.planner.optimizations

Class StreamPreferredProperties

java.lang.Object

io.trino.sql.planner.optimizations.StreamPreferredProperties

public class StreamPreferredProperties
extends Object

Method Summary

Modifier and Type	Method	Description
static StreamPreferredProperties	any()
StreamPreferredProperties	constrainTo(Iterable<Symbol> symbols)
static StreamPreferredProperties	defaultParallelism(Session session)
static StreamPreferredProperties	exactlyPartitionedOn(Collection<Symbol> partitionSymbols)
static StreamPreferredProperties	fixedParallelism()
Optional<List<Symbol>>	getPartitioningColumns()
boolean	isOrderSensitive()
boolean	isParallelPreferred()
boolean	isSatisfiedBy(StreamPropertyDerivations.StreamProperties actualProperties)
boolean	isSingleStreamPreferred()
static StreamPreferredProperties	partitionedOn(Collection<Symbol> partitionSymbols)
static StreamPreferredProperties	singleStream()
String	toString()
StreamPreferredProperties	translate(Function<Symbol,Optional<Symbol>> translator)
StreamPreferredProperties	withDefaultParallelism(Session session)
StreamPreferredProperties	withFixedParallelism()
StreamPreferredProperties	withOrderSensitivity()
StreamPreferredProperties	withoutPreference()
StreamPreferredProperties	withParallelism()
StreamPreferredProperties	withPartitioning(Collection<Symbol> partitionSymbols)

Methods inherited from class java.lang.Object

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

Method Details

any

public static StreamPreferredProperties any()

singleStream

public static StreamPreferredProperties singleStream()

fixedParallelism

public static StreamPreferredProperties fixedParallelism()

defaultParallelism

public static StreamPreferredProperties defaultParallelism(Session session)

withParallelism

public StreamPreferredProperties withParallelism()

withFixedParallelism

public StreamPreferredProperties withFixedParallelism()

partitionedOn

public static StreamPreferredProperties partitionedOn(Collection<Symbol> partitionSymbols)

exactlyPartitionedOn

public static StreamPreferredProperties exactlyPartitionedOn(Collection<Symbol> partitionSymbols)

withoutPreference

public StreamPreferredProperties withoutPreference()

withPartitioning

public StreamPreferredProperties withPartitioning(Collection<Symbol> partitionSymbols)

withDefaultParallelism

public StreamPreferredProperties withDefaultParallelism(Session session)

isSatisfiedBy

public boolean isSatisfiedBy(StreamPropertyDerivations.StreamProperties actualProperties)

isSingleStreamPreferred

public boolean isSingleStreamPreferred()

isParallelPreferred

public boolean isParallelPreferred()

getPartitioningColumns

public Optional<List<Symbol>> getPartitioningColumns()

isOrderSensitive

public boolean isOrderSensitive()

translate

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

toString

public String toString()

Overrides:

toString in class Object

withOrderSensitivity

public StreamPreferredProperties withOrderSensitivity()

constrainTo

public StreamPreferredProperties constrainTo(Iterable<Symbol> symbols)