/** * Removes this object from datastore and sets delete attribute. * * @param PropelPDO $con * @return void * @throws PropelException * @see BaseObject::setDeleted() * @see BaseObject::isDeleted() */ public function delete(PropelPDO $con = null) { if ($this->isDeleted()) { throw new PropelException("This object has already been deleted."); } if ($con === null) { $con = Propel::getConnection(PreferencePeer::DATABASE_NAME, Propel::CONNECTION_WRITE); } $con->beginTransaction(); try { $ret = $this->preDelete($con); // symfony_behaviors behavior foreach (sfMixer::getCallables('BasePreference:delete:pre') as $callable) { if ($ret = call_user_func($callable, $this, $con)) { return; } } if ($ret) { PreferencePeer::doDelete($this, $con); $this->postDelete($con); // symfony_behaviors behavior foreach (sfMixer::getCallables('BasePreference:delete:post') as $callable) { call_user_func($callable, $this, $con); } $this->setDeleted(true); $con->commit(); } else { $con->commit(); } } catch (PropelException $e) { $con->rollBack(); throw $e; } }
/** * This is a method for emulating ON DELETE CASCADE for DBs that don't support this * feature (like MySQL or SQLite). * * This method is not very speedy because it must perform a query first to get * the implicated records and then perform the deletes by calling those Peer classes. * * This method should be used within a transaction if possible. * * @param Criteria $criteria * @param PropelPDO $con * @return int The number of affected rows (if supported by underlying database driver). */ protected static function doOnDeleteCascade(Criteria $criteria, PropelPDO $con) { // initialize var to track total num of affected rows $affectedRows = 0; // first find the objects that are implicated by the $criteria $objects = ElementPeer::doSelect($criteria, $con); foreach ($objects as $obj) { // delete related Preference objects $criteria = new Criteria(PreferencePeer::DATABASE_NAME); $criteria->add(PreferencePeer::ELEMENT_ID, $obj->getId()); $affectedRows += PreferencePeer::doDelete($criteria, $con); // delete related Order objects $criteria = new Criteria(OrderPeer::DATABASE_NAME); $criteria->add(OrderPeer::ELEMENT_ID, $obj->getId()); $affectedRows += OrderPeer::doDelete($criteria, $con); // delete related ElementFile objects $criteria = new Criteria(ElementFilePeer::DATABASE_NAME); $criteria->add(ElementFilePeer::ELEMENT_ID, $obj->getId()); $affectedRows += ElementFilePeer::doDelete($criteria, $con); } return $affectedRows; }
/** * This is a method for emulating ON DELETE CASCADE for DBs that don't support this * feature (like MySQL or SQLite). * * This method is not very speedy because it must perform a query first to get * the implicated records and then perform the deletes by calling those Peer classes. * * This method should be used within a transaction if possible. * * @param Criteria $criteria * @param PropelPDO $con * @return int The number of affected rows (if supported by underlying database driver). */ protected static function doOnDeleteCascade(Criteria $criteria, PropelPDO $con) { // initialize var to track total num of affected rows $affectedRows = 0; // first find the objects that are implicated by the $criteria $objects = CategoryPreferencePeer::doSelect($criteria, $con); foreach ($objects as $obj) { // delete related Preference objects $criteria = new Criteria(PreferencePeer::DATABASE_NAME); $criteria->add(PreferencePeer::CATEGORY_PREFERENCE_ID, $obj->getId()); $affectedRows += PreferencePeer::doDelete($criteria, $con); } return $affectedRows; }