[Rails] ActiveRecord on data integrity

[Marcel Molina Jr.]

On Fri, Nov 19, 2004 at 09:16:26PM +0100, Marten Veldthuis wrote:
> Luis G. G?mez wrote:
> >Say, if I had:
> >
> >class Project < ActiveRecord::Base
> >   belongs_to :portfolio
> >   has_one :project_manager
> >   has_many :milestones
> >   has_and_belongs_to_many :categories
> >end
> >
> >...would AR errase a project's milestones if I errased the project that 
> >owns them?
> 
> It can, but you need to specify that milestones are dependent on the 
> project:
> 
>     has_many :milestones, :dependent => true

The docs for association methods are here:
http://api.rubyonrails.org/classes/ActiveRecord/Associations/ClassMethods.html

marcel
-- 
Marcel Molina Jr. <marcel at vernix.org>