/** * This is a method for emulating ON DELETE CASCADE for DBs that don't support this * feature (like MySQL or SQLite). * * This method is not very speedy because it must perform a query first to get * the implicated records and then perform the deletes by calling those Peer classes. * * This method should be used within a transaction if possible. * * @param Criteria $criteria * @param PropelPDO $con * @return int The number of affected rows (if supported by underlying database driver). */ protected static function doOnDeleteCascade(Criteria $criteria, PropelPDO $con) { // initialize var to track total num of affected rows $affectedRows = 0; // first find the objects that are implicated by the $criteria $objects = HolidayPeer::doSelect($criteria, $con); foreach ($objects as $obj) { // delete related HolidayDomain objects $criteria = new Criteria(HolidayDomainPeer::DATABASE_NAME); $criteria->add(HolidayDomainPeer::HOLIDAY_ID, $obj->getId()); $affectedRows += HolidayDomainPeer::doDelete($criteria, $con); } return $affectedRows; }