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

Interface PrelVisitor<RETURN,EXTRA,EXCEP extends Throwable>

All Known Implementing Classes:

AdjustOperatorsSchemaVisitor, BasePrelVisitor, ComplexToJsonPrelVisitor, ExcessiveExchangeIdentifier, FinalColumnReorderer, InsertLocalExchangeVisitor, LateralUnnestRowIDVisitor, MemoryEstimationVisitor, PrelSequencer, PrelVisualizerVisitor, ProducerConsumerPrelVisitor, RelUniqifier, RewriteProjectToFlatten, RuntimeFilterVisitor, SelectionVectorPrelVisitor, SplitUpComplexExpressions, StarColumnConverter, SwapHashJoinVisitor, TopProjectVisitor

public interface PrelVisitor<RETURN,EXTRA,EXCEP extends Throwable>

Field Summary

Fields

Modifier and Type	Field	Description
static final org.slf4j.Logger	logger

Method Summary

Modifier and Type	Method	Description
RETURN	visitExchange(ExchangePrel prel, EXTRA value)
RETURN	visitJoin(JoinPrel prel, EXTRA value)
RETURN	visitLateral(LateralJoinPrel prel, EXTRA value)
RETURN	visitLeaf(LeafPrel prel, EXTRA value)
RETURN	visitPrel(Prel prel, EXTRA value)
RETURN	visitProject(ProjectPrel prel, EXTRA value)
RETURN	visitScan(DirectScanPrel prel, EXTRA value)
RETURN	visitScan(ScanPrel prel, EXTRA value)
RETURN	visitScreen(ScreenPrel prel, EXTRA value)
RETURN	visitTableModify(TableModifyPrel prel, EXTRA value)
RETURN	visitUnnest(UnnestPrel prel, EXTRA value)
RETURN	visitWriter(WriterPrel prel, EXTRA value)

Field Details

logger

static final org.slf4j.Logger logger

Method Details

visitExchange

RETURN visitExchange(ExchangePrel prel,
 EXTRA value)
              throws EXCEP

Throws:

EXCEP extends Throwable

visitScreen

RETURN visitScreen(ScreenPrel prel,
 EXTRA value)
            throws EXCEP

Throws:

EXCEP extends Throwable

visitWriter

RETURN visitWriter(WriterPrel prel,
 EXTRA value)
            throws EXCEP

Throws:

EXCEP extends Throwable

visitScan

RETURN visitScan(ScanPrel prel,
 EXTRA value)
          throws EXCEP

Throws:

EXCEP extends Throwable

visitScan

RETURN visitScan(DirectScanPrel prel,
 EXTRA value)
          throws EXCEP

Throws:

EXCEP extends Throwable

visitJoin

RETURN visitJoin(JoinPrel prel,
 EXTRA value)
          throws EXCEP

Throws:

EXCEP extends Throwable

visitProject

RETURN visitProject(ProjectPrel prel,
 EXTRA value)
             throws EXCEP

Throws:

EXCEP extends Throwable

visitPrel

RETURN visitPrel(Prel prel,
 EXTRA value)
          throws EXCEP

Throws:

EXCEP extends Throwable

visitUnnest

RETURN visitUnnest(UnnestPrel prel,
 EXTRA value)
            throws EXCEP

Throws:

EXCEP extends Throwable

visitLateral

RETURN visitLateral(LateralJoinPrel prel,
 EXTRA value)
             throws EXCEP

Throws:

EXCEP extends Throwable

visitLeaf

RETURN visitLeaf(LeafPrel prel,
 EXTRA value)
          throws EXCEP

Throws:

EXCEP extends Throwable

visitTableModify

RETURN visitTableModify(TableModifyPrel prel,
 EXTRA value)
                 throws EXCEP

Throws:

EXCEP extends Throwable