net.sf.saffron.opt
Class OptUtil.VariableUsedVisitor

java.lang.Object
  |
  +--net.sf.saffron.rex.RexShuttle
        |
        +--net.sf.saffron.opt.OptUtil.VariableUsedVisitor

Enclosing class:

OptUtil

private static class OptUtil.VariableUsedVisitor

extends RexShuttle

Field Summary

(package private) HashSet

variables

Constructor Summary

private

OptUtil.VariableUsedVisitor()

Method Summary

RexNode

visit(RexCorrelVariable p)

Methods inherited from class net.sf.saffron.rex.RexShuttle

visit, visit, visit, visit

Methods inherited from class java.lang.Object

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

Field Detail

variables

HashSet variables

Constructor Detail

OptUtil.VariableUsedVisitor

private OptUtil.VariableUsedVisitor()

Method Detail

visit

public RexNode visit(RexCorrelVariable p)

Overrides:

visit in class RexShuttle