org.apache.drill.exec.planner.common

Class DrillRelOptUtil.InputRefVisitor

java.lang.Object

org.apache.calcite.rex.RexVisitorImpl<Void>

org.apache.drill.exec.planner.common.DrillRelOptUtil.InputRefVisitor

All Implemented Interfaces:

org.apache.calcite.rex.RexVisitor<Void>

Enclosing class:

DrillRelOptUtil

public static class DrillRelOptUtil.InputRefVisitor
extends org.apache.calcite.rex.RexVisitorImpl<Void>

InputRefVisitor is a utility class used to collect all the RexInputRef nodes in a RexNode.

Field Summary

Fields inherited from class org.apache.calcite.rex.RexVisitorImpl

deep

Constructor Summary

Constructors

Constructor and Description
InputRefVisitor()

Method Summary

Modifier and Type	Method and Description
List<org.apache.calcite.rex.RexInputRef>	getInputRefs()
Void	visitCall(org.apache.calcite.rex.RexCall call)
Void	visitInputRef(org.apache.calcite.rex.RexInputRef ref)

Methods inherited from class org.apache.calcite.rex.RexVisitorImpl

visitArrayAnd, visitArrayOr, visitCorrelVariable, visitDynamicParam, visitFieldAccess, visitLiteral, visitLocalRef, visitOver, visitPatternFieldRef, visitRangeRef, visitSubQuery, visitTableInputRef

Methods inherited from class java.lang.Object

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

Constructor Detail

InputRefVisitor

public InputRefVisitor()

Method Detail

visitInputRef

public Void visitInputRef(org.apache.calcite.rex.RexInputRef ref)

Specified by:

visitInputRef in interface org.apache.calcite.rex.RexVisitor<Void>

Overrides:

visitInputRef in class org.apache.calcite.rex.RexVisitorImpl<Void>

visitCall

public Void visitCall(org.apache.calcite.rex.RexCall call)

Specified by:

visitCall in interface org.apache.calcite.rex.RexVisitor<Void>

Overrides:

visitCall in class org.apache.calcite.rex.RexVisitorImpl<Void>

getInputRefs

public List<org.apache.calcite.rex.RexInputRef> getInputRefs()