I am trying to build a relationship model between users. A user can either initiate a relation, or receive a relation from another user. Therefore, the relations table in the db has the foreign keys \
I have the following models: class Friendship < ActiveRecord::Base belongs_to :user belongs_to :friend, :class_name => \"User\", :foreign_key => :friend_id
Can anyone point to some resource which shows how the tables are set up ( for MySQL for example ), on e开发者_StackOverflowach of the Rails associations ( one to one, one-to-many, many to many ). I un
Preface: If you hang out in #rubyonrails on freenode this may sound like an echo to you as i asked it in there 2 days ago.After spending a number of hours researching AR associations,following my dis
I have users, posts and comments. User can post only one comment to each post. class User < ActiveRecord::Base
I\'ll use the generic blog example. class Post < ActiveRecord::Base has_many :comments end class Comment < ActiveRecord::Base
I have the following models: class User < ActiveRecord::Base has_many :permissions has_many :tasks, :through => :permissions
Suppose I\'ve got a card-game app, which features a Player model, which has an actions integer column; and a Card model. A player can play a card they own, which costs an action; one particular card g
I\'m using Rails 3 and have a rich association between Projects and Users. The join model (UsersProject) has an additional boolean attribute, administrator, which flags the User as an admin of Project
In the Rails ActiveRecord Associations guide, I\'m confused over why the tables for has_one and has_many are identical:
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