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

Interface Summary

Interface	Description
PrelVisitor<RETURN,EXTRA,EXCEP extends Throwable>

Class Summary

Class	Description
AdjustOperatorsSchemaVisitor	AdjustOperatorsSchemaVisitor visits corresponding operators' which depending upon their functionality adjusts their output row types.
BasePrelVisitor<RETURN,EXTRA,EXCEP extends Throwable>
ComplexToJsonPrelVisitor
ExcessiveExchangeIdentifier
FinalColumnReorderer
InsertLocalExchangeVisitor
LateralUnnestRowIDVisitor	LateralUnnestRowIDVisitor traverses the physical plan and modifies all the operators in the pipeline of Lateral and Unnest operators to accommodate IMPLICIT_COLUMN.
LateralUnnestRowIDVisitor.CorrelateVarReplacer	Visitor for RelNodes which applies specified RexShuttle visitor for every node in the tree.
MemoryEstimationVisitor
PrelVisualizerVisitor	Debug-time class that prints a PRel tree to the console for inspection.
PrelVisualizerVisitor.VisualizationState
ProducerConsumerPrelVisitor
RelUniqifier
RewriteProjectToFlatten
RexVisitorComplexExprSplitter
RuntimeFilterVisitor	This visitor does two major things: 1) Find the possible HashJoinPrel to add a RuntimeFilterDef to it.
SelectionVectorPrelVisitor
SplitUpComplexExpressions
StarColumnConverter
SwapHashJoinVisitor	Visit Prel tree.
TopProjectVisitor	Adds non-trivial top project to ensure the final output field names are preserved.