com.facebook.presto.sql.planner.iterative.rule

Class CreatePartialTopN

java.lang.Object

com.facebook.presto.sql.planner.iterative.rule.CreatePartialTopN

All Implemented Interfaces:

Rule<TopNNode>

public class CreatePartialTopN
extends Object
implements Rule<TopNNode>

Nested Class Summary

Nested classes/interfaces inherited from interface com.facebook.presto.sql.planner.iterative.Rule

Rule.Context, Rule.Result

Constructor Summary

Constructors

Constructor and Description
CreatePartialTopN()

Method Summary

Modifier and Type	Method and Description
Rule.Result	apply(TopNNode single, 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 com.facebook.presto.sql.planner.iterative.Rule

isEnabled

Constructor Detail

CreatePartialTopN

public CreatePartialTopN()

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 single,
                         Captures captures,
                         Rule.Context context)

Specified by:

apply in interface Rule<TopNNode>