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

Class EvaluateEmptyIntersect

java.lang.Object

io.trino.sql.planner.iterative.rule.EvaluateEmptyIntersect

All Implemented Interfaces:

Rule<IntersectNode>

public class EvaluateEmptyIntersect
extends Object
implements Rule<IntersectNode>

Converts an Intersect node with at least one empty branch to an empty Values node.

Nested Class Summary

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

Rule.Context, Rule.Result

Constructor Summary

Constructors

Constructor	Description
EvaluateEmptyIntersect()

Method Summary

Modifier and Type	Method	Description
Rule.Result	apply(IntersectNode node, Captures captures, Rule.Context context)
Pattern<IntersectNode>	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

EvaluateEmptyIntersect

public EvaluateEmptyIntersect()

Method Details

getPattern

public Pattern<IntersectNode> getPattern()

Description copied from interface: Rule

Returns a pattern to which plan nodes this rule applies.

Specified by:

getPattern in interface Rule<IntersectNode>

apply

public Rule.Result apply(IntersectNode node,
 Captures captures,
 Rule.Context context)

Specified by:

apply in interface Rule<IntersectNode>