RelOptUtil.InputReferencedVisitor (Apache Calcite API)

java.lang.Object
- org.apache.calcite.rex.RexShuttle
- - org.apache.calcite.plan.RelOptUtil.InputReferencedVisitor

All Implemented Interfaces:

RexVisitor<RexNode>

Enclosing class:

RelOptUtil
```
public static class RelOptUtil.InputReferencedVisitor
extends RexShuttle
```
Shuttle that finds the set of inputs that are used.

- Field Summary
  
  Fields
  Modifier and Type Field Description
  
  java.util.SortedSet<java.lang.Integer> inputPosReferenced
- Constructor Summary
  
  Constructors
  Constructor Description
  
  InputReferencedVisitor()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  RexNode visitInputRef(RexInputRef inputRef)
  - Methods inherited from class org.apache.calcite.rex.RexShuttle
    apply, apply, apply, mutate, visitArray, visitCall, visitCorrelVariable, visitDynamicParam, visitFieldAccess, visitFieldCollations, visitList, visitList, visitLiteral, visitLocalRef, visitOver, visitPatternFieldRef, visitRangeRef, visitSubQuery, visitTableInputRef, visitWindow
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - inputPosReferenced
```
public final java.util.SortedSet<java.lang.Integer> inputPosReferenced
```
- Constructor Detail
  - InputReferencedVisitor
```
public InputReferencedVisitor()
```
- Method Detail
  - visitInputRef
```
public RexNode visitInputRef(RexInputRef inputRef)
```
    Specified by:
    
    visitInputRef in interface RexVisitor<RexNode>
    
    Overrides:
    
    visitInputRef in class RexShuttle