Package io.trino.sql.planner.optimizations

Class QueryCardinalityUtil

java.lang.Object

io.trino.sql.planner.optimizations.QueryCardinalityUtil

public final class QueryCardinalityUtil
extends Object

Method Summary

Modifier and Type	Method	Description
static Cardinality	extractCardinality(PlanNode node)
static Cardinality	extractCardinality(PlanNode node, Lookup lookup)
static boolean	isAtLeast(PlanNode node, Lookup lookup, long minCardinality)
static boolean	isAtLeastScalar(PlanNode node, Lookup lookup)
static boolean	isAtMost(PlanNode node, Lookup lookup, long maxCardinality)
static boolean	isAtMostScalar(PlanNode node)
static boolean	isAtMostScalar(PlanNode node, Lookup lookup)
static boolean	isEmpty(PlanNode node, Lookup lookup)
static boolean	isScalar(PlanNode node)
static boolean	isScalar(PlanNode node, Lookup lookup)

Methods inherited from class java.lang.Object

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

Method Details

isScalar

public static boolean isScalar(PlanNode node)

isScalar

public static boolean isScalar(PlanNode node,
 Lookup lookup)

isAtMostScalar

public static boolean isAtMostScalar(PlanNode node)

isAtMostScalar

public static boolean isAtMostScalar(PlanNode node,
 Lookup lookup)

isAtMost

public static boolean isAtMost(PlanNode node,
 Lookup lookup,
 long maxCardinality)

isAtLeastScalar

public static boolean isAtLeastScalar(PlanNode node,
 Lookup lookup)

isAtLeast

public static boolean isAtLeast(PlanNode node,
 Lookup lookup,
 long minCardinality)

isEmpty

public static boolean isEmpty(PlanNode node,
 Lookup lookup)

extractCardinality

public static Cardinality extractCardinality(PlanNode node)

extractCardinality

public static Cardinality extractCardinality(PlanNode node,
 Lookup lookup)