similar to: HABTM destroy works in console, not in web browser.

Hello guys. I was able to figure out that my "stack level too deep" error I was getting with my HABTM destroy method was the result of a bug in rails 1.0. I upgraded to 1.1.2 and now the views and any console-run commands for destroying AR objects linked together via HABTM work just fine. I have HABTM setup between stories and submissions. The issue is that the destroy methods in

Hi all , I have a habtm relation between 2 tables: - users - rights If there a way to affect a destroy dependance on those 2 tables only for the last instance? In my opinion, dependent => :destroy is not the solution because this delete all the linked instance. For example, if I have: # in User model this: - "Joooooo" - "Jeannnn" - "Tommmm" # in Right

If I have a HABTM relationship between two models (places, pictures), can I delete the record from the join table without also destroying the objects? IE: 1. @places.pictures << @picture 2. @places.pictures.find( @picture.id ).destroy I''d want line #2 (...or something similar unless I''m way off) to destroy the record in pictures_places only, and not anything from the

I am having a problem with two models that each have a HABTM relationship to the other. For example: CREATE TABLE people (id INT, name TEXT); CREATE TABLE teams (id INT, name TEXT); CREATE TABLE people_teams (person_id INT, team_id INT); The person model has: has_and_belongs_to_many :teams And the team model has: has_and_belongs_to_many :people The trouble comes when trying to destroy

Ok, David says on page 241 that sometimes a many-to-many relation with attributes are better implemented as an actual model instead of using HABTM. Well, I''ve got that situation and I can''t figure it out. All of the examples in the book have HABTM examples between 2 different tables, but I want to have a HABTM relation on 1 table with itself. (e.g., if I have a table Things,

I have a tree of models that represent a book. Looks like this: book sections documents paragraphs index entries glossary entries footnotes index entries glossary entries These are all models with has_many from parent and the child has belongs_to. They also all have dependent => :destroy

Hi there, I have a question on what would be the best way to save a HABTM model. A posting habtm categories, and a category habtm postings. class Category < ActiveRecord::Base has_and_belongs_to_many :postings end class Posting < ActiveRecord::Base has_and_belongs_to_many :categories end In my blog_controller, where the actual posting is saved, is where I think I''m

Hello all. I am looking for some feedback on an implementation. I''m writing a plugin that will log all model changes. I do not want to have to add a line a code for this functionality every time I create a model. Instead I create a table with the name <model>_changes. The basic stuff was easy: base.after_create {|model| model.log_create if model.has_backup_table?

Hi converted two of my models to HABTM today but I am having a real hard time getting my unit tests to pass now. Specifically, when I destroy a record I get this error: ...many many lines of this above... (eval):4:in `destroy_without_habtm_shim_for_categories'' (eval):4:in `destroy_without_habtm_shim_for_categories'' (eval):4:in

1. I have a few tables: ''users'', ''shops'', ''addresses'', and ''pictures''. 2. Users and Shops will both use the addresses and pictures tables. I have created several mapping tables: addresses_shops pictures_shops addresses_users pictures_users 3. Users CAN have many addresses and pictures (simple HABTM), but... 4.

Hello, Is it possible to have several HABTM-relationships for the same object? Example: Imagine I have 3 objects (classroom, student, teacher) and define the associations for the student as: class Student < ActiveRecord::Base has_and_belongs_to_many :classrooms has_and_belongs_to_many :teachers class Classroom < ActiveRecord::Base has_and_belongs_to_many :students class Teacher <

Hi, Posting here since issue tracking isn''t the best place to discuss. I can understand habtm is moving towards deprecating support for extra attributes in join_table, and to use :through for those cases instead. To clarify, patch<http://dev.rubyonrails.org/attachment/ticket/5216/habtm_join_table_test.patch1.diff>for #5216 <http://dev.rubyonrails.org/ticket/5216>

How would I stop the last user being deleted. The following code doesn''t work. before_destroy :dont_destroy_last_user # Don''t delete user if it the last one def dont_destroy_last_User raise "Can''t destroy last user" if User.length < 1 end -- Posted via http://www.ruby-forum.com/.

All, Win XP SQL Server 2000 Rails 1.1.6 (AR 1.14.4) I have two objects (Job and Warning) in a HABTM relationship. Below are the pertinent sections of the model files and the schema for the join table. job.rb: class Job < ActiveRecord::Base has_and_belongs_to_many :warnings, :foreign_key => ''JobReferenceNumber'' set_table_name :JobData set_primary_key

Hi, There is something I don''t understand about :dependent => :destroy. I hope someone can help me. Consider this code: class Folder < ActiveRecord::Base has_many :myfiles has_many :folders has_many :group_folders, :dependent => :destroy validates_uniqueness_of :name, :scope => "folder_id" validates_presence_of :name before_destroy

All: I have been working on making a self-referential habtm relationship that uses a join model because I want to store info about the relationship. I have been using two sections from Chad Fowler''s "Rails Recipes" as a guide, "Self-referential Many-to-Many Relationships" and "Many to Many Relationships Where the Relationship Itself has Data". So far I have

Is there a way to update attributes in a HABTM join table? Right now I am deleting the join and then recreating it with new attributes. I have a table "categories" and another table "items". They are both HABTM with the join table "categories_items" between them. If an item is joined to a category once, no problem, we create the join. But if an item is

For a while, I''ve been getting that HMT is replacing HABTM. It appears that HMT can do all of what HABTM can do and more. The question is: Should I stop using HABTM? Let''s take a simple case: A case has many categories For a given category, there are certain valid statuses Category has_and_belongs_to_many :statuses Status has_and_belongs_to_many :categories Question: Is

I have a habtm relationship like the following: Automobile <--> Options What I want to do is when an option is deleted, make sure that there are no Automobiles that still have that option. It seems simple enough, but I am having a tough time with it. I believe Rails automagically deletes the relationships when the automobile is deleted, but not the other way around. Any help would

Hi, I have three Models: User, Group and File. User habtm groups and Group habtm Files How can I find all files that a particular user has access to? eg user.groups.files ? As user.groups returns an array, the above doesn''t work. Id like to find the files for all groups in that array, without adding any code to the User model. Thanks in advance PS I just posted this in the