class AddHelpersColumnsToPullRequest < ActiveRecord::Migration def up add_column :pull_requests, :from_project_owner_uname, :string add_column :pull_requests, :from_project_name, :string # includes generate error "undefined method `repo' for nil:NilClass" # update not orphan pulls. For other need execute a task project:fix_orphan_pulls PullRequest.joins(:from_project).each {|pull| pull.from_project_name = pull.from_project.name} end def down remove_column :pull_requests, :from_project_owner_uname remove_column :pull_requests, :from_project_name end end