/** * Performs a DELETE on the database, given a sfGuardUser or Criteria object OR a primary key value. * * @param mixed $values Criteria or sfGuardUser object or primary key or array of primary keys * which is used to create the DELETE statement * @param PropelPDO $con the connection to use * @return int The number of affected rows (if supported by underlying database driver). This includes CASCADE-related rows * if supported by native driver or if emulated using Propel. * @throws PropelException Any exceptions caught during processing will be * rethrown wrapped into a PropelException. */ public static function doDelete($values, PropelPDO $con = null) { if ($con === null) { $con = Propel::getConnection(sfGuardUserPeer::DATABASE_NAME, Propel::CONNECTION_WRITE); } if ($values instanceof Criteria) { // rename for clarity $criteria = clone $values; } elseif ($values instanceof sfGuardUser) { // 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(sfGuardUserPeer::DATABASE_NAME); $criteria->add(sfGuardUserPeer::ID, (array) $values, Criteria::IN); } // Set the correct dbName $criteria->setDbName(sfGuardUserPeer::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(); // cloning the Criteria in case it's modified by doSelect() or doSelectStmt() $c = clone $criteria; $affectedRows += sfGuardUserPeer::doOnDeleteCascade($c, $con); // cloning the Criteria in case it's modified by doSelect() or doSelectStmt() $c = clone $criteria; sfGuardUserPeer::doOnDeleteSetNull($c, $con); // Because this db requires some delete cascade/set null emulation, we have to // clear the cached instance *after* the emulation has happened (since // instances get re-added by the select statement contained therein). if ($values instanceof Criteria) { sfGuardUserPeer::clearInstancePool(); } elseif ($values instanceof sfGuardUser) { // it's a model object sfGuardUserPeer::removeInstanceFromPool($values); } else { // it's a primary key, or an array of pks foreach ((array) $values as $singleval) { sfGuardUserPeer::removeInstanceFromPool($singleval); } } $affectedRows += BasePeer::doDelete($criteria, $con); sfGuardUserPeer::clearRelatedInstancePool(); $con->commit(); return $affectedRows; } catch (PropelException $e) { $con->rollBack(); throw $e; } }