Ruby on rails 接受\u嵌套的\u属性,导致Rails中的堆栈级别太深
我有一个非常基本的例子 app/models/user.rbRuby on rails 接受\u嵌套的\u属性,导致Rails中的堆栈级别太深,ruby-on-rails,ruby,ruby-on-rails-4,Ruby On Rails,Ruby,Ruby On Rails 4,我有一个非常基本的例子 app/models/user.rb #name string class User < ActiveRecord::Base has_one :project,dependent: :destroy validates :name,presence: true validates_associated :project accepts_nested_attributes_for :project end #name string #us
#name string
class User < ActiveRecord::Base
has_one :project,dependent: :destroy
validates :name,presence: true
validates_associated :project
accepts_nested_attributes_for :project
end
#name string
#user_id integer
class Project < ActiveRecord::Base
belongs_to :user
has_many :tasks,dependent: :destroy
validates :name,presence: true
validates_associated :tasks
accepts_nested_attributes_for :tasks
end
#name string
#project_id integer
class Task < ActiveRecord::Base
belongs_to :project,dependent: :destroy
validates :name,presence: true
end
def update
@user.project_attributes = {:name => "P#rand(100)",:tasks_attributes => [{name: "Task#{rand(100)}"}]}
respond_to do |format|
if @user.save
format.html { redirect_to @user, notice: 'User was successfully updated.' }
format.json { head :no_content }
else
format.html { render action: 'edit' }
format.json { render json: @user.errors, status: :unprocessable_entity }
end
end
end
每次我尝试更新给定的用户时,我都会遇到堆栈级别太深的问题
问题
有线索吗
注:
仅在共享关联的一个模型中写入
dependent::destroy
。如果两个模型中都有dependent::destroy
,则会出现无限多的调用,导致堆栈级别太深错误。只在共享关联的一个模型中写入dependent::destroy
。如果两个模型中都有dependent::destroy
,则会发生无限次调用,导致堆栈级别太深错误。ehh我很抱歉,是的,你是对的。ehh我很抱歉,是的,你是对的。
Rails version 4.0.4
Ruby 2.1.2p95