Package org.apache.calcite.rex

Class RexAnalyzer.VariableCollector

java.lang.Object

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

org.apache.calcite.rex.RexAnalyzer.VariableCollector

All Implemented Interfaces:

RexVisitor<java.lang.Void>

Enclosing class:

RexAnalyzer

private static class RexAnalyzer.VariableCollector
extends RexVisitorImpl<java.lang.Void>

Collects the variables (or other bindable sites) in an expression, and counts features (such as CAST) that RexInterpreter cannot handle.

Field Summary

Fields

Modifier and Type	Field	Description
private java.util.Set<RexNode>	builder
private int	unsupportedCount

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

deep

Constructor Summary

Constructors

Constructor	Description
VariableCollector()

Method Summary

Modifier and Type	Method	Description
java.lang.Void	visitCall(RexCall call)
java.lang.Void	visitFieldAccess(RexFieldAccess fieldAccess)
java.lang.Void	visitInputRef(RexInputRef inputRef)

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

visitArrayAnd, visitArrayOr, visitCorrelVariable, visitDynamicParam, 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

Field Detail

builder

private final java.util.Set<RexNode> builder

unsupportedCount

private int unsupportedCount

Constructor Detail

VariableCollector

VariableCollector()

Method Detail

visitInputRef

public java.lang.Void visitInputRef(RexInputRef inputRef)

Specified by:

visitInputRef in interface RexVisitor<java.lang.Void>

Overrides:

visitInputRef in class RexVisitorImpl<java.lang.Void>

visitFieldAccess

public java.lang.Void visitFieldAccess(RexFieldAccess fieldAccess)

Specified by:

visitFieldAccess in interface RexVisitor<java.lang.Void>

Overrides:

visitFieldAccess in class RexVisitorImpl<java.lang.Void>

visitCall

public java.lang.Void visitCall(RexCall call)

Specified by:

visitCall in interface RexVisitor<java.lang.Void>

Overrides:

visitCall in class RexVisitorImpl<java.lang.Void>