Hi friend u can try this one..There are three tables :Library,Author,book
Class Library <ActiveRecord::Base has_many :Authors has_many :Books end Class Author <ActiveRecord::Base belongs_to :library has_many :books end Class Book <ActiveRecord::Base belongs_to :library belongs_to :author end On Tue, Oct 20, 2009 at 8:46 PM, Serafino Picozzi < rails-mailing-l...@andreas-s.net> wrote: > > Hi everyone, I have the following problem, maybe someone can help me > figure out what to do. > > To simplify my situation, I'm going to make an example of what I need, > this is not the real app structure. > > Let's suppose we have three models, Library, Author, Book. > > Manager > has_and_belongs_to_many :area_managers > > AreaManager > has_and_belongs_to_many :managers > has_many :employees > > Employee > belongs_to :area_manager > > > Given a manager, I'd like to find all the employees under its area > managers in a single query. > -- > Posted via http://www.ruby-forum.com/. > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---