/** * Method to invalidate the instance pool of all tables related to school_year * by a foreign key with ON DELETE CASCADE */ public static function clearRelatedInstancePool() { // Invalidate objects in related instance pools, // since one or more of them may be deleted by ON DELETE CASCADE/SETNULL rule. ApplicationTableMap::clearInstancePool(); EngagementTableMap::clearInstancePool(); PeriodSchoolYearTableMap::clearInstancePool(); StudentTableMap::clearInstancePool(); }
/** * Performs a DELETE on the database, given a Student or Criteria object OR a primary key value. * * @param mixed $values Criteria or Student 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) { $con = Propel::getServiceContainer()->getWriteConnection(StudentTableMap::DATABASE_NAME); } if ($values instanceof Criteria) { // rename for clarity $criteria = $values; } elseif ($values instanceof \App\Models\Student) { // 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(StudentTableMap::DATABASE_NAME); $criteria->add(StudentTableMap::COL_ID, (array) $values, Criteria::IN); } $query = StudentQuery::create()->mergeWith($criteria); if ($values instanceof Criteria) { StudentTableMap::clearInstancePool(); } elseif (!is_object($values)) { // it's a primary key, or an array of pks foreach ((array) $values as $singleval) { StudentTableMap::removeInstanceFromPool($singleval); } } return $query->delete($con); }