Ruby de Rails
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The document defines a User model that has a one-to-many relationship with books and overrides the table and primary key names. It also shows code for adding a nick column to the users table using a migration.
Ruby de Rails
- 45. class User < ActiveRecord::Base end
- 48. class User < ActiveRecord::Base has_many :books end
- 56. class User < ActiveRecord::Base set_table_name 'user' set_primary_key 'pkey' end
- 66. ITPro
- 73. ? if a==b then; obj.m(); end ? a==b && obj.m ? obj.m if a==b
- 109. DB (Model) Scaffold HTML
- 112. DB (Model) Scaffold HTML
- 119. class AddNick < ActiveRecord::Migration def self.up add_column :users, :nick, :text end def self.down remove_column :users, :nick end end