io.prestosql.sql.planner.iterative.rule

Class PushTopNThroughUnion

java.lang.Object

io.prestosql.sql.planner.iterative.rule.PushTopNThroughUnion

All Implemented Interfaces:

Rule<TopNNode>

public class PushTopNThroughUnion
extends Object
implements Rule<TopNNode>

Nested Class Summary

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

Rule.Context, Rule.Result

Constructor Summary

Constructors

Constructor and Description
PushTopNThroughUnion()

Method Summary

Modifier and Type	Method and Description
Rule.Result	apply(TopNNode topNNode, Captures captures, Rule.Context context)
Pattern<TopNNode>	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.prestosql.sql.planner.iterative.Rule

isEnabled

Constructor Detail

PushTopNThroughUnion

public PushTopNThroughUnion()

Method Detail

getPattern

public Pattern<TopNNode> getPattern()

Description copied from interface: Rule

Returns a pattern to which plan nodes this rule applies.

Specified by:

getPattern in interface Rule<TopNNode>

apply

public Rule.Result apply(TopNNode topNNode,
                         Captures captures,
                         Rule.Context context)

Specified by:

apply in interface Rule<TopNNode>