saffron
Class PreparedExplanation

java.lang.Object
  |
  +--saffron.PreparedExplanation

All Implemented Interfaces:

PreparedResult

public class PreparedExplanation

extends Object

implements PreparedResult

PreparedExplanation is a PreparedResult for an EXPLAIN PLAN statement. It's always good to have an explanation prepared.

Version:

$Id: //open/saffron/src/main/saffron/PreparedExplanation.java#2 $

Author:

John V. Sichi

Field Summary

private Rel

rel

Constructor Summary

(package private)

PreparedExplanation(Rel rel)

Method Summary

Object	execute() Execute the prepared result.
String	getCode()

Methods inherited from class java.lang.Object

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

Field Detail

rel

private final Rel rel

Constructor Detail

PreparedExplanation

PreparedExplanation(Rel rel)

Method Detail

execute

public Object execute()

Description copied from interface: PreparedResult

Execute the prepared result.

Specified by:

execute in interface PreparedResult

Returns:

producer of rows resulting from execution

getCode

public String getCode()

Specified by:

getCode in interface PreparedResult

Returns:

the code generated by preparation