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

Class RewriteProjectToFlatten

java.lang.Object

org.apache.drill.exec.planner.physical.visitor.BasePrelVisitor<Prel,Object,org.apache.calcite.tools.RelConversionException>

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

All Implemented Interfaces:

PrelVisitor<Prel,Object,org.apache.calcite.tools.RelConversionException>

public class RewriteProjectToFlatten
extends BasePrelVisitor<Prel,Object,org.apache.calcite.tools.RelConversionException>

Field Summary

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

logger

Constructor Summary

Constructors

Constructor	Description
RewriteProjectToFlatten(org.apache.calcite.rel.type.RelDataTypeFactory factory, DrillOperatorTable table)

Method Summary

Modifier and Type	Method	Description
Prel	visitPrel(Prel prel, Object value)
Prel	visitProject(ProjectPrel project, Object unused)

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

visitExchange, visitJoin, visitLateral, visitLeaf, 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

RewriteProjectToFlatten

public RewriteProjectToFlatten(org.apache.calcite.rel.type.RelDataTypeFactory factory,
 DrillOperatorTable table)

Method Details

visitPrel

public Prel visitPrel(Prel prel,
 Object value)
               throws org.apache.calcite.tools.RelConversionException

Specified by:

visitPrel in interface PrelVisitor<Prel,Object,org.apache.calcite.tools.RelConversionException>

Overrides:

visitPrel in class BasePrelVisitor<Prel,Object,org.apache.calcite.tools.RelConversionException>

Throws:

org.apache.calcite.tools.RelConversionException

visitProject

public Prel visitProject(ProjectPrel project,
 Object unused)
                  throws org.apache.calcite.tools.RelConversionException

Specified by:

visitProject in interface PrelVisitor<Prel,Object,org.apache.calcite.tools.RelConversionException>

Overrides:

visitProject in class BasePrelVisitor<Prel,Object,org.apache.calcite.tools.RelConversionException>

Throws:

org.apache.calcite.tools.RelConversionException