org.eigenbase.oj.rel
Class JavaRelImplementor.Frame

java.lang.Object
  org.eigenbase.oj.rel.JavaRelImplementor.Frame

Enclosing class:

JavaRelImplementor

private static class JavaRelImplementor.Frame
extends Object

Field Summary

private JavaRelImplementor.Bind	bind Holds variable which hasn't been declared yet.
(package private) int	ordinal ordinal of rel within parent
(package private) RelNode	parent rel's parent
(package private) RelNode	rel relation which is being implemented in this frame

Constructor Summary

private

JavaRelImplementor.Frame()

Method Summary

(package private) Variable	getVariable() Retrieves the variable, executing the lazy bind if necessary.
(package private) boolean	hasVariable() Returns whether the frame has, or potentially has, a variable.

Methods inherited from class java.lang.Object

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

Field Detail

parent

RelNode parent

rel's parent

rel

RelNode rel

relation which is being implemented in this frame

ordinal

int ordinal

ordinal of rel within parent

bind

private JavaRelImplementor.Bind bind

Holds variable which hasn't been declared yet.

Constructor Detail

JavaRelImplementor.Frame

private JavaRelImplementor.Frame()

Method Detail

getVariable

Variable getVariable()

Retrieves the variable, executing the lazy bind if necessary.

hasVariable

boolean hasVariable()

Returns whether the frame has, or potentially has, a variable.