Я использую rails v3.2.2 и получаю странную ошибку, когда пытаюсь загрузить связанные записи.
Ниже приведен ввод/вывод терминала, который я получаю:
1.9.2-p318 :011 > Category.first
=> #<Category id: 1, ...>
1.9.2-p318 :013 > Category.first.articles
Article Load (0.2ms) SELECT `articles`.* FROM `articles` LIMIT 1
(Object doesn't support #inspect)
1.9.2-p318 :014 > Category.first.articles.first
Category Load (0.2ms) SELECT `categories`.* FROM `categories` LIMIT 1
NoMethodError: undefined method `scoped' for Category::Article:Module
from /<USER_PATH>/.rvm/gems/ruby-1.9.2-p318/gems/activerecord-3.2.2/lib/active_record/associations/association.rb:123:in `target_scope'
from /<USER_PATH>/.rvm/gems/ruby-1.9.2-p318/gems/activerecord-3.2.2/lib/active_record/associations/through_association.rb:15:in `target_scope'
from /<USER_PATH>/.rvm/gems/ruby-1.9.2-p318/gems/activerecord-3.2.2/lib/active_record/associations/association.rb:87:in `scoped'
from /<USER_PATH>/.rvm/gems/ruby-1.9.2-p318/gems/activerecord-3.2.2/lib/active_record/associations/collection_association.rb:569:in `first_or_last'
from /<USER_PATH>/.rvm/gems/ruby-1.9.2-p318/gems/activerecord-3.2.2/lib/active_record/associations/collection_association.rb:101:in `first'
from /<USER_PATH>/.rvm/gems/ruby-1.9.2-p318/gems/activerecord-3.2.2/lib/active_record/associations/collection_proxy.rb:46:in `first'
from (irb):14
from /<USER_PATH>/.rvm/gems/ruby-1.9.2-p318/gems/railties-3.2.2/lib/rails/commands/console.rb:47:in `start'
from /<USER_PATH>/.rvm/gems/ruby-1.9.2-p318/gems/railties-3.2.2/lib/rails/commands/console.rb:8:in `start'
from /<USER_PATH>/.rvm/gems/ruby-1.9.2-p318/gems/railties-3.2.2/lib/rails/commands.rb:41:in `<top (required)>'
from script/rails:6:in `require'
from script/rails:6:in `<main>'
В моей модели Category
у меня есть:
class Category < ActiveRecord::Base
has_many :article_relationships,
:class_name => 'Category::Article::ArticleRelationship',
:foreign_key => 'category_id'
has_many :articles,
:through => :article_relationships,
:source => :article
end
В моем Category::Article::ArticleRelationship
у меня есть:
class Category::Article::ArticleRelationship < ActiveRecord::Base
belongs_to :article,
:class_name => 'Article',
:foreign_key => 'article_id'
end
Как решить проблему, связанную с Object doesn't support #inspect
?
Примечание. В той же модели Category
у меня есть аналогичный оператор, как и для Category::Article::ArticleRelationship
(он связан с классом User
через класс Category::UserRelationship
), и это не вызывает проблем.
require 'article'
перед попыткой их осмотреть? - person sarnold   schedule 21.04.2012require 'article'
. - person Backo   schedule 21.04.2012