/** * Deletes datasets from the additional question table in the database * * @param integer $question_id The question id which should be deleted in the additional question table * @access public */ function deleteAdditionalTableData($question_id) { parent::deleteAdditionalTableData($question_id); global $ilDB; $affectedRows = $ilDB->manipulateF("DELETE FROM svy_qst_matrixrows WHERE question_fi = %s", array('integer'), array($question_id)); }