/** * Deletes an associated ClassRegistration * @param ClassRegistration $objClassRegistration * @return void */ public function DeleteAssociatedClassRegistration(ClassRegistration $objClassRegistration) { if (is_null($this->intId)) { throw new QUndefinedPrimaryKeyException('Unable to call UnassociateClassRegistration on this unsaved ClassGrade.'); } if (is_null($objClassRegistration->SignupEntryId)) { throw new QUndefinedPrimaryKeyException('Unable to call UnassociateClassRegistration on this ClassGrade with an unsaved ClassRegistration.'); } // Get the Database Object for this Class $objDatabase = ClassGrade::GetDatabase(); // Perform the SQL Query $objDatabase->NonQuery(' DELETE FROM `class_registration` WHERE `signup_entry_id` = ' . $objDatabase->SqlVariable($objClassRegistration->SignupEntryId) . ' AND `class_grade_id` = ' . $objDatabase->SqlVariable($this->intId) . ' '); // Journaling if ($objDatabase->JournalingDatabase) { $objClassRegistration->Journal('DELETE'); } }