query
Class Describe

java.lang.Object
  query.Describe

All Implemented Interfaces:

Plan

 class Describe
extends java.lang.Object
implements Plan

Execution plan for describing tables.

Constructor Summary

Describe(AST_Describe tree)
Optimizes the plan, given the parsed query.

Method Summary

void	execute() Executes the plan and prints applicable output.

Methods inherited from class java.lang.Object

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

Constructor Detail

Describe

public Describe(AST_Describe tree)
         throws QueryException

Optimizes the plan, given the parsed query.

Throws:

QueryException - if table doesn't exist

Method Detail

execute

public void execute()

Executes the plan and prints applicable output.

Specified by:

execute in interface Plan