org.apache.tajo.plan.expr

Class EvalTreeUtil.AllColumnRefFinder

java.lang.Object

org.apache.tajo.plan.expr.EvalTreeUtil.AllColumnRefFinder

All Implemented Interfaces:

EvalNodeVisitor

Enclosing class:

EvalTreeUtil

public static class EvalTreeUtil.AllColumnRefFinder
extends Object
implements EvalNodeVisitor

Constructor Summary

Constructors

Constructor and Description
EvalTreeUtil.AllColumnRefFinder()

Method Summary

Methods

Modifier and Type	Method and Description
List<Column>	getColumnRefs()
void	visit(EvalNode node)

Methods inherited from class java.lang.Object

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

Constructor Detail

EvalTreeUtil.AllColumnRefFinder

public EvalTreeUtil.AllColumnRefFinder()

Method Detail

visit

public void visit(EvalNode node)

Specified by:

visit in interface EvalNodeVisitor

getColumnRefs

public List<Column> getColumnRefs()