ruby-on-rails – Mongoid ::错误:: MixedRelations:Mongoid De
发布时间:2020-12-17 02:00:18 所属栏目:百科 来源:网络整理
导读:嗨伙计们,我有一个来自Devise的模型用户与这种关系: user.rb # Relationships references_many :houses,:dependent = :delete 现在我有一个用脚手架创建的样板房: house.rb # Relationshipsreferenced_in :user,:inverse_of = :houses embeds_many :deals
嗨伙计们,我有一个来自Devise的模型用户与这种关系:
user.rb # Relationships references_many :houses,:dependent => :delete 现在我有一个用脚手架创建的样板房: house.rb # Relationships referenced_in :user,:inverse_of => :houses embeds_many :deals 现在我对这种关系有一个模型处理: embedded_in :house,:inverse_of => :deals 在我的routes.rb我有: resources :houses do resources :deals end 当我尝试让用户在控制台中进行交易时: ruby-1.9.2-p180 :009 > User.first.deals.first 我收到下一个错误: Mongoid::Errors::MixedRelations: Referencing a(n) Deal document from the User document via a relational association is not allowed since the Deal is embedded. 解决方法
根据您提供的信息,用户与交易没有直接关系.
看来你试图这样做: class User [...] references_many :houses,:dependent => :delete references_many :deals end class Deal [...] embedded_in :house referenced_in :user end 由于您的交易已嵌入到Houses中,因此您无法通过关系直接从用户访问它们. 您可以使用 : @houses_that_match = House.where("deals.user_id" => @user.id) @deals = [] @houses_that_match.each do |house| @deals += house.deals.select { |deal| deal.user == @user } end (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |