/**
  * Deletes all rows from the digressive_price 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(DigressivePriceTableMap::DATABASE_NAME);
     }
     $affectedRows = 0;
     // initialize var to track total num of affected rows
     try {
         // use transaction because $criteria could contain info
         // for more than one table or we could emulating ON DELETE CASCADE, etc.
         $con->beginTransaction();
         $affectedRows += parent::doDeleteAll($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).
         DigressivePriceTableMap::clearInstancePool();
         DigressivePriceTableMap::clearRelatedInstancePool();
         $con->commit();
     } catch (PropelException $e) {
         $con->rollBack();
         throw $e;
     }
     return $affectedRows;
 }
 /**
  * Performs a DELETE on the database, given a DigressivePrice or Criteria object OR a primary key value.
  *
  * @param mixed               $values Criteria or DigressivePrice 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) {
         $con = Propel::getServiceContainer()->getWriteConnection(DigressivePriceTableMap::DATABASE_NAME);
     }
     if ($values instanceof Criteria) {
         // rename for clarity
         $criteria = $values;
     } elseif ($values instanceof \DigressivePrice\Model\DigressivePrice) {
         // 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(DigressivePriceTableMap::DATABASE_NAME);
         $criteria->add(DigressivePriceTableMap::ID, (array) $values, Criteria::IN);
     }
     $query = DigressivePriceQuery::create()->mergeWith($criteria);
     if ($values instanceof Criteria) {
         DigressivePriceTableMap::clearInstancePool();
     } elseif (!is_object($values)) {
         // it's a primary key, or an array of pks
         foreach ((array) $values as $singleval) {
             DigressivePriceTableMap::removeInstanceFromPool($singleval);
         }
     }
     return $query->delete($con);
 }