/**
  * Performs a DELETE on the database, given a RatingHeaders or Criteria object OR a primary key value.
  *
  * @param mixed               $values Criteria or RatingHeaders object or primary key or array of primary keys
  *              which is used to create the DELETE statement
  * @param  ConnectionInterface $con the connection to use
  * @return int             The number of affected rows (if supported by underlying database driver).  This includes CASCADE-related rows
  *                         if supported by native driver or if emulated using Propel.
  * @throws PropelException Any exceptions caught during processing will be
  *                         rethrown wrapped into a PropelException.
  */
 public static function doDelete($values, ConnectionInterface $con = null)
 {
     if (null === $con) {
         $con = Propel::getServiceContainer()->getWriteConnection(RatingHeadersTableMap::DATABASE_NAME);
     }
     if ($values instanceof Criteria) {
         // rename for clarity
         $criteria = $values;
     } elseif ($values instanceof \RatingHeaders) {
         // 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(RatingHeadersTableMap::DATABASE_NAME);
         $criteria->add(RatingHeadersTableMap::COL_ID, (array) $values, Criteria::IN);
     }
     $query = RatingHeadersQuery::create()->mergeWith($criteria);
     if ($values instanceof Criteria) {
         RatingHeadersTableMap::clearInstancePool();
     } elseif (!is_object($values)) {
         // it's a primary key, or an array of pks
         foreach ((array) $values as $singleval) {
             RatingHeadersTableMap::removeInstanceFromPool($singleval);
         }
     }
     return $query->delete($con);
 }
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 /**
  * Deletes all rows from the rating_headers table.
  *
  * @param ConnectionInterface $con the connection to use
  * @return int The number of affected rows (if supported by underlying database driver).
  */
 public function doDeleteAll(ConnectionInterface $con = null)
 {
     if (null === $con) {
         $con = Propel::getServiceContainer()->getWriteConnection(RatingHeadersTableMap::DATABASE_NAME);
     }
     // use transaction because $criteria could contain info
     // for more than one table or we could emulating ON DELETE CASCADE, etc.
     return $con->transaction(function () use($con) {
         $affectedRows = 0;
         // initialize var to track total num of affected rows
         $affectedRows += parent::doDeleteAll($con);
         // Because this db requires some delete cascade/set null emulation, we have to
         // clear the cached instance *after* the emulation has happened (since
         // instances get re-added by the select statement contained therein).
         RatingHeadersTableMap::clearInstancePool();
         RatingHeadersTableMap::clearRelatedInstancePool();
         return $affectedRows;
     });
 }