class ChangeVersionsIssuesCount < ActiveRecord::Migration[5.2] def change versions = Version.includes(:issues).select(:id, :closed_issues_count, :percent,:issues_count) versions.each do |v| closed_issues = Issue.select(:id, :fixed_version_id, :status_id).where(fixed_version_id: v.id, status_id: 5).size unless v.closed_issues_count.to_i == closed_issues puts v.id percent = v.issues_count.to_i <=0 ? 0.0 : (closed_issues.to_f / v.issues_count.to_i) v.closed_issues_count = closed_issues v.percent = percent v.save end end end end