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Ruby on rails ActiveAdmin：按关联计数排序_Ruby On Rails_Activeadmin - Fatal编程技术网
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Ruby on rails ActiveAdmin：按关联计数排序

ruby-on-rails

Ruby on rails ActiveAdmin：按关联计数排序,ruby-on-rails,activeadmin,Ruby On Rails,Activeadmin,我有以下型号 class User < ActiveRecord::Base has_many :reviews end class Review < ActiveRecord::Base belongs_to :user end 我建议在您的用户模型上使用a进行评论，然后直接在ActiveAdmin中使用此列： index do # ... column "No. of reviews", :sortable => :reviews_count end

我有以下型号

class User < ActiveRecord::Base
   has_many :reviews
end

class Review < ActiveRecord::Base
   belongs_to :user
end
我建议在您的用户模型上使用a进行评论，然后直接在ActiveAdmin中使用此列：

index do
  # ...
  column "No. of reviews", :sortable => :reviews_count
end

index do
  # ...
  column "No. of reviews", :sortable => :reviews_count
end