query
Class Select

java.lang.Object
  query.Select

All Implemented Interfaces:

Plan

 class Select
extends java.lang.Object
implements Plan

Execution plan for selecting tuples.

Constructor Summary

Select(AST_Select 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

Select

public Select(AST_Select tree)
       throws QueryException

Optimizes the plan, given the parsed query.

Throws:

QueryException - if validation fails

Method Detail

execute

public void execute()

Executes the plan and prints applicable output.

Specified by:

execute in interface Plan