similar to: HABTM Relation / Save Question

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

Hi all I have members in my application, and every member can assign other members as buddies. class Member < ActiveRecord::Base # Hat folgende Buddies has_and_belongs_to_many :buddies, :class_name => ''Member'', :join_table => ''members_have_buddies'',

Hi all I have a DiscJockey and a Member model, each of them reference each other using habtm. josh $ script/server >> m=Member.find 1 >> dj=DiscJockey.find 1 >> m.disc_jockeys << dj >> m.disc_jockeys << dj >> m.disc_jockeys << dj Now I have 3 relations in the DB! Is this normal? Shouldn''t there an error occur, that I can only add the

Hello forum readers, Let''s say i have two models: Person and Role (i replicated the problem with Post & Tag as well, as i thought the problem was linked to some application-specific rights problem, but it wasn''t). In Person, attr_accessible role_ids is declared, so it accepts an array of Role ids as an argument when creating / updating. If i fire up the rails console and

Hi all, I need to model simple typed polymorphic relations: ''John'' [''works_for''] ''Bill'' ''John'' [''speaks_for''] ''Microsoft'' ''Microsoft'' [''hold_shares_of''] ''Apple'' I''m having a hard time combining : - S.T.I.

Hi, I have a strange problem with testing classes which have a HABTM relation. It seems that while running my tests with rake the fixture for the association table is not loaded - as a result I get a failure on a test which simply checks the number of associated elements - it says it''s 0 although there should be one. The weird thing is that when I run the tests with rcov

I seem to be having a problem working with an object which has a HABTM relationship with another object I know there''s been a lot of talk recently about problems using dual HABTM in a single object but I believe this may be a separate issue. It appears like I''m unable to persist this relationship (i.e. the object saves but none of the entries in the join table are

Imagine I want to track people, and the clubs that they belong to. table people with columns person_id, person_name table clubs with columns club_id, club_name And I have the association table: table clubs_people with columns person_id, club_id Now I know how to do this habtm between the two, in order to associate people with clubs that they belong to. However my application also needs a

Hello all, I have an Order object that has and belongs to many Products and has and belongs to many Loan Types. This is so I can select multiples of each in my order entry screen via checkbox groups. I''m having some trouble with saving multiple HABTM associations for a single model object; only the first HABTM association declared in the model will save during the initial @order.save

Hi there I have an habtm association between 2 Models. I regularly have to truncate the table on one side of the relationship and repopulate the table with a fresh csv file. I notice that f I do Model.delete_all, none of the records in my habtm join table get deleted, whereas if I use destroy_all they do. However, the overhead of using destroy_all is too great. For the amount of records I have

hey all, I have three tables like this: forum (id,title) usergroup(id,title) forum_perms(usergroup_id,forum_id,read,write,post) is there a way to deal with that kind of relation with rails such as by using has_and_belongs_to_many kind of stuff? thanx in advance Pat --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups

I have a HABTM relationship between 2 tables : companies and services. I want to find all the companies who provide a particular service so I''m using @companies = Service.find_by_name(''servicename'').companies. But in the development log, rails appears to be making 2 sql calls - one to find the id of the service and a 2nd to find the companies by that id. How can i

Hello Experts, I have a HABTM association as followed: class Account < ActiveRecord::Base has_and_belongs_to_many :user end class User < ActiveRecord::Base has_and_belongs_to_many :type has_and_belongs_to_many :account end class Type < ActiveRecord::Base has_and_belongs_to_many :user end I have the following query; I Have a parent user who is creating another user under its

Is there an easy way to paginate HABTM? Something like (which doesn''t work): @pages, @directories = paginate :directories, :include=>:categories, :per_page=>ITEMS_PER_PAGE directories and categories have an HABTM association. Joe -- Posted via http://www.ruby-forum.com/.

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,

Is there some way to observe when an association is added in a habtm relationship? I know I could turn the relationship into a model, but I don''t want to give up using :include in my finds... joshua

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 am using the proven authorization plugin to defines roles for users, so I can get all groups where a user is ''member'' @groups = current_user.group_memberships I have an habtm association between groups and events class Group < ActiveRecord::Base has_and_belongs_to_many :events .. class Event < ActiveRecord::Base has_and_belongs_to_many :groups I am trying to list

All, I''m populating a view with checkboxes in a list. I want to be able to assign to my has_many relationship using the post values of these checkboxes. Essentially, I want to populate the relationship table which will create the correct join values in my model. Here is my check_box_tag code: <%= check_box_tag("@current_job[target_list_ids][]",

Just wanted to drop a note about a new Rails site that we''re testing in the wild, http://www.vegaslists.com. The site allows users to create lists about anything Las Vegas related and then lets other users comment on those lists. It was a project that went from concept to completed in about 2 weeks, working on it after the ''real job'' for fun. It''s very simple