Невозможно удалить запись после использования области Rails по умолчанию с ассоциациями

У меня есть столы emails а также users, emails Таблица имеет два поля: user_id а также publish_id,

Я использовал область по умолчанию, как это:

default_scope joins('LEFT OUTER JOIN users ON users.id = emails.publish_id').where("users.status IN (?)", ["approve", "spam"])`

Как users стол держит publishers а также subscribersтак что я использовал users_id общаться с subscribers а также publish_id общаться с publishers,

Я получаю запись, используя:

email = Email.unscoped.find(:id)
email.delete

Но я получаю следующую ошибку:

Может кто-нибудь сказать мне, как я могу удалить это или как я могу принудительно удалить удалить электронную почту?

Полное сообщение об ошибке:-

 em=Email.unscoped.last
  Email Load (0.5ms)  SELECT `emails`.* FROM `emails` ORDER BY `emails`.`id` DESC LIMIT 1
 => #<Email id: 4, user_id: 2, body: "asdasd", complete_email: {}, created_at: "2013-08-28 15:29:10", updated_at: "2013-08-28 15:29:10", snapshot_status: nil, thumbnail: nil, deleted_at: nil, read: nil, publish_id: 1, email_type: nil, snapshot_thumb_file_name: nil, snapshot_thumb_content_type: nil, snapshot_thumb_file_size: nil, snapshot_thumb_updated_at: nil> 
1.9.3p448 :017 > em.delete
  SQL (0.5ms)  UPDATE `emails` SET `deleted_at` = '2013-08-28 15:29:24' WHERE `emails`.`id` = 4 AND (`emails`.`deleted_at` IS NULL) AND (users.status IN ('approve','spam'))
ActiveRecord::StatementInvalid: Mysql2::Error: Unknown column 'users.status' in 'where clause': UPDATE `emails` SET `deleted_at` = '2013-08-28 15:29:24' WHERE `emails`.`id` = 4 AND (`emails`.`deleted_at` IS NULL) AND (users.status IN ('approve','spam'))
    from /home/awsome/.rvm/gems/ruby-1.9.3-p448@awsome/gems/activerecord-3.2.13/lib/active_record/connection_adapters/abstract_mysql_adapter.rb:245:in `query'
    from /home/awsome/.rvm/gems/ruby-1.9.3-p448@awsome/gems/activerecord-3.2.13/lib/active_record/connection_adapters/abstract_mysql_adapter.rb:245:in `block in execute'
    from /home/awsome/.rvm/gems/ruby-1.9.3-p448@awsome/gems/activerecord-3.2.13/lib/active_record/connection_adapters/abstract_adapter.rb:280:in `block in log'
    from /home/awsome/.rvm/gems/ruby-1.9.3-p448@awsome/gems/activesupport-3.2.13/lib/active_support/notifications/instrumenter.rb:20:in `instrument'
    from /home/awsome/.rvm/gems/ruby-1.9.3-p448@awsome/gems/activerecord-3.2.13/lib/active_record/connection_adapters/abstract_adapter.rb:275:in `log'
    from /home/awsome/.rvm/gems/ruby-1.9.3-p448@awsome/gems/activerecord-3.2.13/lib/active_record/connection_adapters/abstract_mysql_adapter.rb:245:in `execute'
    from /home/awsome/.rvm/gems/ruby-1.9.3-p448@awsome/gems/activerecord-3.2.13/lib/active_record/connection_adapters/mysql2_adapter.rb:211:in `execute'
    from /home/awsome/.rvm/gems/ruby-1.9.3-p448@awsome/gems/activerecord-3.2.13/lib/active_record/connection_adapters/mysql2_adapter.rb:238:in `exec_delete'
    from /home/awsome/.rvm/gems/ruby-1.9.3-p448@awsome/gems/activerecord-3.2.13/lib/active_record/connection_adapters/abstract/database_statements.rb:96:in `update'
    from /home/awsome/.rvm/gems/ruby-1.9.3-p448@awsome/gems/activerecord-3.2.13/lib/active_record/connection_adapters/abstract/query_cache.rb:14:in `update'
    from /home/awsome/.rvm/gems/ruby-1.9.3-p448@awsome/gems/activerecord-3.2.13/lib/active_record/relation.rb:294:in `update_all'
    from /home/awsome/.rvm/gems/ruby-1.9.3-p448@awsome/gems/acts_as_paranoid-0.4.2/lib/acts_as_paranoid/relation.rb:24:in `delete_all'
    from /home/awsome/.rvm/gems/ruby-1.9.3-p448@awsome/gems/activerecord-3.2.13/lib/active_record/relation.rb:442:in `delete'
    from /home/awsome/.rvm/gems/ruby-1.9.3-p448@awsome/gems/activerecord-3.2.13/lib/active_record/querying.rb:7:in `delete'
    from /home/awsome/.rvm/gems/ruby-1.9.3-p448@awsome/gems/activerecord-3.2.13/lib/active_record/persistence.rb:119:in `delete'
    from (irb):17
    from /home/awsome/.rvm/gems/ruby-1.9.3-p448@awsome/gems/railties-3.2.13/lib/rails/commands/console.rb:47:in `start'
    from /home/awsome/.rvm/gems/ruby-1.9.3-p448@awsome/gems/railties-3.2.13/lib/rails/commands/console.rb:8:in `start'
    from /home/awsome/.rvm/gems/ruby-1.9.3-p448@awsome/gems/railties-3.2.13/lib/rails/commands.rb:41:in `<top (required)>'
    from script/rails:6:in `require'

Ниже приведено определение класса User:

User
 => User(id: integer, email: string, encrypted_password: string, reset_password_token: string, reset_password_sent_at: datetime, remember_created_at: datetime, sign_in_count: integer, current_sign_in_at: datetime, last_sign_in_at: datetime, current_sign_in_ip: string, last_sign_in_ip: string, created_at: datetime, updated_at: datetime, provider: string, uid: string, name: string, username: string, role: string, photo_file_name: string, photo_content_type: string, photo_file_size: integer, photo_updated_at: datetime, confirmation_token: string, confirmed_at: datetime, confirmation_sent_at: datetime, unconfirmed_email: string, tag_listing: string, status: string, private_publisher: boolean, public_wall_display: boolean, personal_email: string)

2 ответа

Решение

Вы должны использовать блок с незаданной областью, например так:

Email.unscoped do
  email = Email.find(id)
  email.delete
end

или (то же самое, но короче):

Email.unscoped do
  Email.find(id).delete
end

или сделать это одним запросом вместо двух:

Email.unscoped do
  Email.where(:id => id).delete_all
end

Пытаться

email = Email.unscoped.reload.find(:id)
email.delete
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