Try this: named_scope :by_user_value, :include => :user, :order => 'users.value'
If you're not accessing the user association, you could also use :joins instead of :include, but I'm guessing you'll need to load those records anyways. --Matt Jones On Jul 12, 11:01 pm, 刘子嘉 <xxmikl.m...@gmail.com> wrote: > Could someone help me to solve my problem?I'm using named_scope,and there > seems to be a little problem... > Can I sort a model by another model's column?For example,I have a "users" > table,it has a "value" column.And in the user.rb: > has_many :articles > > in the article.rb: > belongs_to :user > named_scope :by_user_value,:order => "......" > > What I want to know is,how can I finish the :order=>"...." parameters to > sort the articles by there user's "value"?Can somebody help me with > that?Thanks a lot... --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
