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Ruby on rails activerecord导入gem：已发布多个

ruby-on-rails ruby-on-rails-4 activerecord

Ruby on rails activerecord导入gem：已发布多个,ruby-on-rails,ruby-on-rails-4,activerecord,activerecord-import,Ruby On Rails,Ruby On Rails 4,Activerecord,Activerecord Import,在的帮助下，我正试图在一个查询中保存带有多个子项的记录列表 我的模型： class Mailing < ActiveRecord::Base has_many :mailing_modifications has_many :modifications, through: :mailing_modifications end class Modification < ActiveRecord::Base has_many :mailing_modification

在的帮助下，我正试图在一个查询中保存带有
多个子项的记录列表

我的模型：


class Mailing < ActiveRecord::Base

  has_many :mailing_modifications
  has_many :modifications, through: :mailing_modifications

end

class Modification < ActiveRecord::Base

  has_many :mailing_modifications, dependent: :destroy
  has_many :mailings, through: :mailing_modifications

end

class MailingModification < ActiveRecord::Base

  belongs_to :mailing
  belongs_to :modification

end



类邮件

我的保存代码：


mailing = Mailing.new
mailing.modifications.build
mailings << mailing
Mailing.import(mailings, recursive: true)



mailing=mailing.new
mailing.modifications.build

邮件您是否创建了邮件修改model@Mukesh当然，加上questions@PavelBabin您找到解决方案了吗？您是否创建了邮件修改model@Mukesh当然，加上questions@PavelBabin你找到解决办法了吗？