org.apache.drill.exec.planner.physical.explain

Class PrelSequencer

java.lang.Object

org.apache.drill.exec.planner.physical.visitor.BasePrelVisitor<Void,org.apache.drill.exec.planner.physical.explain.PrelSequencer.Frag,RuntimeException>

org.apache.drill.exec.planner.physical.explain.PrelSequencer

All Implemented Interfaces:

PrelVisitor<Void,org.apache.drill.exec.planner.physical.explain.PrelSequencer.Frag,RuntimeException>

public class PrelSequencer
extends BasePrelVisitor<Void,org.apache.drill.exec.planner.physical.explain.PrelSequencer.Frag,RuntimeException>

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	PrelSequencer.OpId

Field Summary

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

logger

Constructor Summary

Constructors

Constructor and Description
PrelSequencer()

Method Summary

Modifier and Type	Method and Description
static Map<Prel,PrelSequencer.OpId>	getIdMap(Prel rel)
Map<Prel,PrelSequencer.OpId>	go(Prel root)
static String	printWithIds(Prel rel, org.apache.calcite.sql.SqlExplainLevel explainlevel)
Void	visitExchange(ExchangePrel prel, org.apache.drill.exec.planner.physical.explain.PrelSequencer.Frag value)
Void	visitPrel(Prel prel, org.apache.drill.exec.planner.physical.explain.PrelSequencer.Frag value)

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

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

Methods inherited from class java.lang.Object

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

Constructor Detail

PrelSequencer

public PrelSequencer()

Method Detail

printWithIds

public static String printWithIds(Prel rel,
                                  org.apache.calcite.sql.SqlExplainLevel explainlevel)

getIdMap

public static Map<Prel,PrelSequencer.OpId> getIdMap(Prel rel)

go

public Map<Prel,PrelSequencer.OpId> go(Prel root)

visitExchange

public Void visitExchange(ExchangePrel prel,
                          org.apache.drill.exec.planner.physical.explain.PrelSequencer.Frag value)
                   throws RuntimeException

Specified by:

visitExchange in interface PrelVisitor<Void,org.apache.drill.exec.planner.physical.explain.PrelSequencer.Frag,RuntimeException>

Overrides:

visitExchange in class BasePrelVisitor<Void,org.apache.drill.exec.planner.physical.explain.PrelSequencer.Frag,RuntimeException>

Throws:

RuntimeException

visitPrel

public Void visitPrel(Prel prel,
                      org.apache.drill.exec.planner.physical.explain.PrelSequencer.Frag value)
               throws RuntimeException

Specified by:

visitPrel in interface PrelVisitor<Void,org.apache.drill.exec.planner.physical.explain.PrelSequencer.Frag,RuntimeException>

Overrides:

visitPrel in class BasePrelVisitor<Void,org.apache.drill.exec.planner.physical.explain.PrelSequencer.Frag,RuntimeException>

Throws:

RuntimeException