Rails有许多没有连接表的through-建议

Posted 2021-02-26

# acts_as_roleable
create_table :users, :force => true do |t|
  t.string :name
  # ...
end
 
# acts_as_roleable
create_table :groups, :force => true do |t|
  t.string :name
  # ...
end
 
create_table :memberships, :force => true do |t|
  t.integer :group_id
  t.integer :user_id
end
 
create_table :roles, :force => true do |t|
  t.string :name
  t.column :roleable_id, :integer
  t.column :roleable_type, :string
end
 
create_table :permissions, :force => true do |t|
  t.string :role_id
  t.string :name
  # ...
end