/**
* 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');
}
}