Rails- Belongs_to 在同一个表中

Question

I have a table of users and each user has another user that they have to "kill" the association is written as follows.我有一个用户表，每个用户都有另一个用户，他们必须“杀死”关联写如下。

class User < ActiveRecord::Base
  belongs_to(:user_to_kill, :class_name => :User)

However when I make the following call:但是，当我拨打以下电话时：

@current_user.user_to_kill.screen_name

It returns the following error and stack trace它返回以下错误和堆栈跟踪

NameError: uninitialized constant User::User
    /app/.bundle/gems/ruby/1.9.1/gems/activerecord-3.0.3/lib/active_record/base.rb:1199:in `compute_type'
    /app/.bundle/gems/ruby/1.9.1/gems/activerecord-3.0.3/lib/active_record/reflection.rb:162:in `klass'
    /app/.bundle/gems/ruby/1.9.1/gems/activerecord-3.0.3/lib/active_record/associations/belongs_to_association.rb:59:in `find_target'
    /app/.bundle/gems/ruby/1.9.1/gems/activerecord-3.0.3/lib/active_record/associations/association_proxy.rb:237:in `load_target'

Thanks in advance for the help.在此先感谢您的帮助。

Answer 1

Change it to:将其更改为：

belongs_to :user_to_kill, :class_name => "User"

Rails- Belongs_to 在同一个表中

问题描述

1 个解决方案

解决方案1
6 已采纳 2011-05-03 22:05:33

Rails- Belongs_to 在同一个表中

问题描述

1 个解决方案

解决方案1 6 已采纳 2011-05-03 22:05:33

解决方案1
6 已采纳 2011-05-03 22:05:33