Understanding :dependent => :delete_all?

rubyonrails-talk
1

I can't see what's wrong here but that's probably just because I'm so new to Rails! To get right into it... I have 4 tables that look like this:

Sites - id

Projects - id - site_id - user_id

Tasks - id - project_id - user_id

Users - id

The corresponding models:

class Site < ARB   has_many :projects, :dependent => :delete_all end

class Project < ARB   belongs_to :site   belongs_to :user   has_many :tasks, :dependent => :delete_all end

class Task < ARB   belongs_to :project   has_one :user end

class User < ARB   has_many :tasks end

The idea is: 1. If you kill a site you kill all of its projects (this works) 2. If you kill a project you kill all of its tasks (this works if you JUST delete a project but not if you delete an entire site)

I created a single site, then 4 projects and 5 tasks. I then deleted the site. All of the projects were destroyed, but none of the tasks were!? What am I doing wrong here?

My controller call to delete a site is pretty rudimentary: Site.find(params[:id]).destroy

Ideas? Thanks for the help!

Greg

2

Great thanks for the response Dave! Much appreciated!