/** * Performs a DELETE on the database, given a ChildAttribute or Criteria object OR a primary key value. * * @param mixed $values Criteria or ChildAttribute 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 function delete(ConnectionInterface $con = null) { if (null === $con) { $con = Propel::getServiceContainer()->getWriteConnection(AttributeTableMap::DATABASE_NAME); } $criteria = $this; // Set the correct dbName $criteria->setDbName(AttributeTableMap::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. $con->beginTransaction(); AttributeTableMap::removeInstanceFromPool($criteria); $affectedRows += ModelCriteria::delete($con); AttributeTableMap::clearRelatedInstancePool(); $con->commit(); return $affectedRows; } catch (PropelException $e) { $con->rollBack(); throw $e; } }