class DeleteMyshixunGamesForUsers < ActiveRecord::Migration[5.2] def change myshixuns = Myshixun.where("created_at > '2019-07-26 19:00:00' and repo_name is null") myshixuns.find_each do |m| if m.games.count == m.games.select{|g| g.status == 3}.count puts("#######login: #{User.find(m.user_id).login}") m.destroy! end end end end