Package io.trino.sql.planner.iterative.rule

Class TransformCorrelatedJoinToJoin

java.lang.Object

io.trino.sql.planner.iterative.rule.TransformCorrelatedJoinToJoin

All Implemented Interfaces:

Rule<CorrelatedJoinNode>

public class TransformCorrelatedJoinToJoin
extends Object
implements Rule<CorrelatedJoinNode>

Tries to decorrelate subquery and rewrite it using normal join. Decorrelated predicates are part of join condition.

Nested Class Summary

Nested classes/interfaces inherited from interface io.trino.sql.planner.iterative.Rule

Rule.Context, Rule.Result

Constructor Summary

Constructors

Constructor	Description
TransformCorrelatedJoinToJoin(PlannerContext plannerContext)

Method Summary

Modifier and Type	Method	Description
Rule.Result	apply(CorrelatedJoinNode correlatedJoinNode, Captures captures, Rule.Context context)
Pattern<CorrelatedJoinNode>	getPattern()	Returns a pattern to which plan nodes this rule applies.

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.trino.sql.planner.iterative.Rule

isEnabled

Constructor Details

TransformCorrelatedJoinToJoin

public TransformCorrelatedJoinToJoin(PlannerContext plannerContext)

Method Details

getPattern

public Pattern<CorrelatedJoinNode> getPattern()

Description copied from interface: Rule

Returns a pattern to which plan nodes this rule applies.

Specified by:

getPattern in interface Rule<CorrelatedJoinNode>

apply

public Rule.Result apply(CorrelatedJoinNode correlatedJoinNode,
 Captures captures,
 Rule.Context context)

Specified by:

apply in interface Rule<CorrelatedJoinNode>