rails g model reference

Creating a Standalone Migration; Model Generators; Passing Modifiers. Writing a .... bin/rails generate migration AddUse...

rails g model reference

Creating a Standalone Migration; Model Generators; Passing Modifiers. Writing a .... bin/rails generate migration AddUserRefToProducts user:references ... ,rails generate migration AddAddressRefToContacts address:references ... You saw the method call t.reference and assumed it was a datatype because calls ...

相關軟體 MySQL Workbench 資訊

MySQL Workbench
MySQL Workbench 是數據庫架構師,開發人員和 DBA 的統一可視化工具。 MySQL Workbench 為服務器配置,用戶管理,備份等提供數據建模,SQL 開發和綜合管理工具。選擇版本:MySQL Workbench 6.3.8(32 位)MySQL Workbench 6.3.10(64 位) MySQL Workbench 軟體介紹

rails g model reference 相關參考資料
Active Record Migrations - Rails Edge Guides - Ruby on Rails

Creating a Standalone Migration; Model Generators; Passing Modifiers. Writing a Migration .... rails generate migration AddUserRefToProducts user:references ...

https://edgeguides.rubyonrails

Active Record Migrations — Ruby on Rails Guides

Creating a Standalone Migration; Model Generators; Passing Modifiers. Writing a .... bin/rails generate migration AddUserRefToProducts user:references ...

https://guides.rubyonrails.org

Adding a Model Reference to existing Rails model - Stack Overflow

rails generate migration AddAddressRefToContacts address:references ... You saw the method call t.reference and assumed it was a datatype because calls ...

https://stackoverflow.com

Advanced Rails model generators – Rails Guides

rails g model user first_name last_name email ... feature of generators - it's options to generate reference columns (fields which are used in rails ...

https://railsguides.net

generate model using user:references vs user_id:integer - Stack ...

Both will generate the same columns when you run the migration. In rails console, you can see that this is the case: :001 > Micropost => Micropost(id: integer, ...

https://stackoverflow.com

Model 關連性為你自己學Ruby on Rails | 高見龍

bin/rails g model User name email tel invoke active_record create ..... 因為使用 references 的寫法,所以自動有幫你補上這兩行 belongs_to 方法,但如果沒有也 ...

https://railsbook.tw

rails generate model references type - Stack Overflow

Change third line to : belongs_to :sub_configuration, :class_name => :ItemConfiguration, :foreign_key => :sub_configuration_id. With above syntax you can ...

https://stackoverflow.com

ruby on rails - generate model using user:references vs user_id ...

Rails itself does not know that user_id is a foreign key referencing user . In the first command rails generate model Micropost user_id:integer it ...

https://stackoverflow.com

Ruby on Rails generates model field:type - what are the options ...

To create a model that references another, use the Ruby on Rails model generator: $ rails g ... rails g model Item name:string description:text product:references.

https://stackoverflow.com