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

Class StarColumnConverter

java.lang.Object

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

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

All Implemented Interfaces:

PrelVisitor<Prel,Void,RuntimeException>

public class StarColumnConverter
extends BasePrelVisitor<Prel,Void,RuntimeException>

Field Summary

Fields inherited from interface org.apache.drill.exec.planner.physical.visitor.PrelVisitor

logger

Method Summary

Modifier and Type	Method and Description
static Prel	insertRenameProject(Prel root)
Prel	visitLeaf(LeafPrel prel, Void value)
Prel	visitPrel(Prel prel, Void value)
Prel	visitProject(ProjectPrel prel, Void value)
Prel	visitScan(ScanPrel scanPrel, Void value)
Prel	visitScreen(ScreenPrel prel, Void value)
Prel	visitUnnest(UnnestPrel unnestPrel, Void value)
Prel	visitWriter(WriterPrel prel, Void value)

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

visitExchange, visitJoin, visitLateral, visitScan

Methods inherited from class java.lang.Object

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

Method Detail

insertRenameProject

public static Prel insertRenameProject(Prel root)

visitScreen

public Prel visitScreen(ScreenPrel prel,
                        Void value)
                 throws RuntimeException

Specified by:

visitScreen in interface PrelVisitor<Prel,Void,RuntimeException>

Overrides:

visitScreen in class BasePrelVisitor<Prel,Void,RuntimeException>

Throws:

RuntimeException

visitWriter

public Prel visitWriter(WriterPrel prel,
                        Void value)
                 throws RuntimeException

Specified by:

visitWriter in interface PrelVisitor<Prel,Void,RuntimeException>

Overrides:

visitWriter in class BasePrelVisitor<Prel,Void,RuntimeException>

Throws:

RuntimeException

visitProject

public Prel visitProject(ProjectPrel prel,
                         Void value)
                  throws RuntimeException

Specified by:

visitProject in interface PrelVisitor<Prel,Void,RuntimeException>

Overrides:

visitProject in class BasePrelVisitor<Prel,Void,RuntimeException>

Throws:

RuntimeException

visitPrel

public Prel visitPrel(Prel prel,
                      Void value)
               throws RuntimeException

Specified by:

visitPrel in interface PrelVisitor<Prel,Void,RuntimeException>

Overrides:

visitPrel in class BasePrelVisitor<Prel,Void,RuntimeException>

Throws:

RuntimeException

visitScan

public Prel visitScan(ScanPrel scanPrel,
                      Void value)
               throws RuntimeException

Specified by:

visitScan in interface PrelVisitor<Prel,Void,RuntimeException>

Overrides:

visitScan in class BasePrelVisitor<Prel,Void,RuntimeException>

Throws:

RuntimeException

visitLeaf

public Prel visitLeaf(LeafPrel prel,
                      Void value)
               throws RuntimeException

Specified by:

visitLeaf in interface PrelVisitor<Prel,Void,RuntimeException>

Overrides:

visitLeaf in class BasePrelVisitor<Prel,Void,RuntimeException>

Throws:

RuntimeException

visitUnnest

public Prel visitUnnest(UnnestPrel unnestPrel,
                        Void value)
                 throws RuntimeException

Specified by:

visitUnnest in interface PrelVisitor<Prel,Void,RuntimeException>

Overrides:

visitUnnest in class BasePrelVisitor<Prel,Void,RuntimeException>

Throws:

RuntimeException