Package org.apache.drill.exec.planner.physical.visitor
package org.apache.drill.exec.planner.physical.visitor
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ClassDescriptionAdjustOperatorsSchemaVisitor visits corresponding operators' which depending upon their functionality adjusts their output row types.BasePrelVisitor<RETURN,
EXTRA, EXCEP extends Throwable> LateralUnnestRowIDVisitor traverses the physical plan and modifies all the operators in the pipeline of Lateral and Unnest operators to accommodate IMPLICIT_COLUMN.Visitor for RelNodes which applies specifiedRexShuttlevisitor for every node in the tree.PrelVisitor<RETURN,EXTRA, EXCEP extends Throwable> Debug-time class that prints a PRel tree to the console for inspection.This visitor does two major things: 1) Find the possible HashJoinPrel to add a RuntimeFilterDef to it.Visit Prel tree.Adds non-trivial top project to ensure the final output field names are preserved.