similar to: excluding column from associations

Is there a recommended way to exclude a column from associations? for example: Model Album has_and_belongs_to_many :photos Model Photo has_and_belongs_to_many :albums Photo Table int :id int :order blob :data <-- the culprit! -------------------------------------------------------- I''m caching the output of Photo.data in a controller, but i don''t want to select

Running latest rails, etc on windows xp. I can''t use "rake migrate" to migrate to latest version. I NEED to specify, i.e. "rake migrate VERSION=11" for things to work consistently. plain ''ol "rake migrate" never makes it to the latest version. no errors, she just stops short of the latest version. hasn''t been a problem until now --

Looking to get rid of a railsconf ticket. (face value) Let me know if you''re interested. Clint -- clint troxel _ openEndStudios.com _ 307.413.0366 http://openendstudios.com

Hi. I''m a fairly new mongrel user and have a scenario that I wanted to run by you all, see if anyone''s synapses connect -- mine def. aren''t! I''m running a fairly simple rails app through a mongrel cluster (2 mongrels). This site is consistently sloooow -- memory on the server is regularly paging (and shouldn''t be). ssh-ing in and running top shows

Hi, I am new to Ruby and Rails programming and am having difficulty with the following scenario... Consider the following model: class Studio < ActiveRecord::Base has_many :movies has_and_belongs_to_many :actors end class Movie < ActiveRecord::Base belongs_to :studio has_and_belongs_to_many :actors end class Actor < ActiveRecord::Base has_and_belongs_to_many :studios

Hi. I have a couple of best practices questions regarding polymorphic associations, naming join tables and user permissions. Currently I have implemented the user authentication model from the rails recipes book. Basically it goes something like this: MODEL CLASSES: class User < ActiveRecord::Base has_and_belongs_to_many :roles end class Role < ActiveRecord::Base

hi all, i''m new to this group and currently using Rails 3.0.3 and meta_where 0.9.10. i''m considering how to make a full-text searching feature to my project, and my models, for example, should be defined like below: class Group < ActiveRecord::Base has_and_belongs_to_many :users # :title (string) end class Comment < ActiveRecord::Base has_and_belongs_to_many :users

Hi to all, I''m needing some help here ... I want to do an extension on a has_and_belongs_to_many to build a custom add method to the association. i have a table locations that has a many-to-many association with a tags tabel using a locations_tags table. i want to add a method to the Location has_and_belongs_to_many association so that i can do something like this on the location

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, I am trying to restrict duplicate has_and_belongs_to_many associations. I tried to find support for a association validation for duplicates but couldn''t find anything. I understand I could use :uniq=>true on the model association but this would only prevent it from displaying duplicates, I want to stop duplicate associations being inserted in the first place. I have a vague

I have a table containing a person''s info: Person { first_name : string last_name : string height : int weight : int age : int } This person can belong to many leagues and 0 or 1 teams within that league. I can create join tables and use the following associations: League has_and_belongs_to_many people Team has_and_belongs_to_many people League has one

Hello All, I generated scaffolding for my Users table and setup my additional models with their associations. I want to be able to create a new user, and its associated groups and privileges from the same view. My relationships are as follows: users: has_and_belongs_to_many :groups has_many :privileges groups: has_and_belongs_to_many :users privileges: belongs_to :user Right

I''ve setup two models, 1 and 2, that are associated by has_and_belongs_to_many. I''m trying to get an attribute from model_1 to use in a method in model_2. When I use the code below, I get an error saying ''undefined method model_1_id''. What am I missing? Thanks! Model_2.rb Class Model_2 < ActiveRecord::Base ... has_and_belongs_to_many :model_1 def

Hello, I have a Company that has_and_belongs_to_many Persons. A Person has_many Emails. I want to display each Person''s Email for each Company, so I try this: companies = Company.find(:all) for company in companies persons = company.persons for person in persons puts person.email end end Unfortunately, this doesn''t work correctly. Let''s say the id of

Hi, I''m currently having the situation where I have to implement a polymorphic has_and_belongs_to_many by introducing an in between model that handles all the "has_many :as" and "belongs_to :polymorphic" association implementations... and is not doing anything else. Thing I don''t like it here is, I am unnecessarily loading AR instances only to execute SQL

I have bdrb successfully set up and running in a local project. It''s doing two things: 1) processing large csv files and using ActiveRecord to insert 2) sending large batches of emails using ActionMailer In development both work well. I see my ActionMailer emails in the log (though it''s the development.log -- odd?) On the production server csv processing works well, but

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

I have two objects that are associated in the following way: class Class1 < ApplicationController has_and_belongs_to_many :class2s has_and_belongs_to_many :otherClasses end class Class2 < ApplicationController has_and_belongs_to_many :class1s has_and_bleongs_to_many :otherClasses end Now, when I run the following query, @objects = Class1.find(:all, :conditions

I''ve just been bodyslammed by a problem with has_and_belongs_to_many - as far as I can tell, if it doesn''t appear at the top of other relationship definitions it doesn''t seem to work right. For example: class Artist < ActiveRecord::Base has_and_belongs_to_many :genres has_many :albums has_many :videos has_many :cds has_many :collections end ..works fine

Hello; I''m at this point essentially a Rails hobbiest: entranced, enthralled, immersed but not writing Rails apps commercially. I am sure my question has been asked and answered but I searched and couldn''t find it, so.... Is there somewhere a list of methods that become available via associations? I was doing a project with acts_as_tree and was struggling with a breadcrumb