public static function doDelete($values, PropelPDO $con = null)
 {
     if ($con === null) {
         $con = Propel::getConnection(PagePeer::DATABASE_NAME, Propel::CONNECTION_WRITE);
     }
     if ($values instanceof Criteria) {
         // rename for clarity
         $criteria = clone $values;
     } elseif ($values instanceof JournalEntry) {
         // it's a model object
         // create criteria based on pk values
         $criteria = $values->buildPkeyCriteria();
     } else {
         // it's a primary key, or an array of pks
         $criteria = new Criteria(self::DATABASE_NAME);
         $criteria->add(PagePeer::ID, (array) $values, Criteria::IN);
     }
     foreach (JournalEntryPeer::doSelect(clone $criteria, $con) as $object) {
         TagPeer::deleteTagsForObject($object);
     }
     return self::doDeleteBeforeTaggable($criteria, $con);
 }