query
Class Update

java.lang.Object
  query.Update

All Implemented Interfaces:

Plan

 class Update
extends java.lang.Object
implements Plan

Execution plan for updating tuples.

Constructor Summary

Update(AST_Update 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

Update

public Update(AST_Update tree)
       throws QueryException

Optimizes the plan, given the parsed query.

Throws:

QueryException - if invalid column names, values, or pedicates

Method Detail

execute

public void execute()

Executes the plan and prints applicable output.

Specified by:

execute in interface Plan