forgeplus/db/migrate/20200927023922_reset_versions_count.rb

class ResetVersionsCount < ActiveRecord::Migration[5.2]
  def change
    execute "ALTER TABLE licenses MODIFY COLUMN id INT AUTO_INCREMENT;"
    versions = Version.includes(:issues).select(:id, :closed_issues_count, :percent,:issues_count)
    versions.each do |v|
      Version.reset_counters v.id, :issues
      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
        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
      puts v.id
    end
  end
end