rails model class_name
class Employee < ActiveRecord::Base. has_many :subordinates , class_name: "Employee" ,. foreign_key: "manager_id". belongs_to :manager , class_name: ... ,2017年12月10日 — I recently wanted to use ActiveRecord's association syntax on two models, called Proposal and Period. To add clarity, I wanted the Proposals to ...
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 rails model class_name 相關參考資料
Active Record Associations — Ruby on Rails Guides
How to use the methods added to your models by creating associations. ... This is because Rails automatically infers the class name from the association name. https://guides.rubyonrails.org Active Record 關聯— Ruby on Rails 指南
class Employee < ActiveRecord::Base. has_many :subordinates , class_name: "Employee" ,. foreign_key: "manager_id". belongs_to :manager , class_name: ... https://rails.ruby.tw Bi-directional use of class_name in ActiveRecord associations ...
2017年12月10日 — I recently wanted to use ActiveRecord's association syntax on two models, called Proposal and Period. To add clarity, I wanted the Proposals to ... https://medium.com class_name (ActiveRecord::Base) - APIdock
class_name. Importance_1. Ruby on Rails latest stable (v5.2.3) - 0 notes - Class: ActiveRecord::Base. https://apidock.com class_name foreign_key in Rails model - Stack Overflow
2016年12月14日 — 1 Answer. The naming here is kind of strange, but the purpose of :class_name is to allow you to use a class that is different from the one Rails expects. When you have a belongs_to :use... https://stackoverflow.com How to set association class_name based on model attribute ...
2019年8月15日 — I looked into ActiveRecord association extensions to see if I could define a belongs_to stock method based on the location_cd at the same time ... https://stackoverflow.com Rails: difference between :source => ?? and :class_name ...
2016年10月10日 — They are conceptually the same, just need to be different for different uses. :source is used (optionally) to define the associated model name ... https://stackoverflow.com Rails: has_many的參數. Rails是一個非常多預設值的框架 ...
這篇文章記錄一下在rails裡面使用has_many方法時，實務上常用到的參數。 ... 了一個參數 class_name: “User” ， Article 便能夠去正確的model找到要的資料。 https://medium.com Ruby on Rails 實戰聖經| ActiveRecord - 資料表關聯
class_name 、 dependent 、scope條件等設定，都和has_many一樣。 belongs_to 的設定. optional. 在Rails 5.1 之後的版本，belongs_to 關聯的model 預設改成必 ... https://ihower.tw 一起幫忙解決難題，拯救IT 人的一天 - iT 邦幫忙 - iThome
[Day18] Ruby on Rails - Model 關聯性， 參數補充說明. Junior Ruby ... class_name、foreign_key and primary_key; source; scope 參數; inverse_of; dependent: ... https://ithelp.ithome.com.tw |