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#6199 ✓stale
François Beausoleil

has_many :dependent => :deny

Reported by François Beausoleil | December 20th, 2010 @ 02:39 PM

I have a case which would be perfect for this.

db/schema.rb

create_table "campaigns" do |t|
t.integer "advertiser_id", :null => false # ... end

class Advertiser < ActiveRecord::Base
has_many :campaigns, :dependent => :deny end

I'd see the :deny option as adding validation that would check if the collection is empty, and if not, then generate something along the lines "Campaigns must be empty - delete all to delete this advertiser".

Comments and changes to this ticket

  • François Beausoleil

    François Beausoleil December 20th, 2010 @ 02:41 PM

    • Tag changed from “has_many dependent” to “has_many”

    Forgot to preview...

    # db/schema.rb
create_table "campaigns" do |t|
  t.integer "advertiser_id", :null => false
  # ...
end

# app/models/advertiser.rb
class Advertiser < ActiveRecord::Base
  has_many :campaigns, :dependent => :deny
end
  • Michał Łomnicki

    Michał Łomnicki December 20th, 2010 @ 03:37 PM

    The same issue already exists and is waiting for proper patch since 2008 ;)

    https://rails.lighthouseapp.com/projects/8994/tickets/1282-has_many...

  • rails

    rails March 21st, 2011 @ 12:00 AM

    • State changed from “new” to “open”

    This issue has been automatically marked as stale because it has not been commented on for at least three months.

    The resources of the Rails core team are limited, and so we are asking for your help. If you can still reproduce this error on the 3-0-stable branch or on master, please reply with all of the information you have about it and add "[state:open]" to your comment. This will reopen the ticket for review. Likewise, if you feel that this is a very important feature for Rails to include, please reply with your explanation so we can consider it.

    Thank you for all your contributions, and we hope you will understand this step to focus our efforts where they are most helpful.

  • rails

    rails March 21st, 2011 @ 12:00 AM

    • State changed from “open” to “stale”

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