Package org.apache.drill.exec.planner.physical.visitor

Class RelUniqifier

java.lang.Object

org.apache.drill.exec.planner.physical.visitor.BasePrelVisitor<Prel,Set<Prel>,RuntimeException>

org.apache.drill.exec.planner.physical.visitor.RelUniqifier

All Implemented Interfaces:

PrelVisitor<Prel,Set<Prel>,RuntimeException>

public class RelUniqifier
extends BasePrelVisitor<Prel,Set<Prel>,RuntimeException>

Constructor Summary

Constructors

Constructor	Description
RelUniqifier()

Method Summary

Modifier and Type	Method	Description
static Prel	uniqifyGraph(Prel p)
Prel	visitPrel(Prel prel, Set<Prel> data)

Methods inherited from class org.apache.drill.exec.planner.physical.visitor.BasePrelVisitor

visitExchange, visitJoin, visitLateral, visitLeaf, visitProject, visitScan, visitScan, visitScreen, visitTableModify, visitUnnest, visitWriter

Methods inherited from class java.lang.Object

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

Constructor Details

RelUniqifier

public RelUniqifier()

Method Details

uniqifyGraph

public static Prel uniqifyGraph(Prel p)

visitPrel

public Prel visitPrel(Prel prel,
 Set<Prel> data)
               throws RuntimeException

Specified by:

visitPrel in interface PrelVisitor<Prel,Set<Prel>,RuntimeException>

Overrides:

visitPrel in class BasePrelVisitor<Prel,Set<Prel>,RuntimeException>

Throws:

RuntimeException