/** * Find object by primary key using raw SQL to go fast. * Bypass doSelect() and the object formatter by using generated code. * * @param mixed $key Primary key to use for the query * @param ConnectionInterface $con A connection object * * @throws \Propel\Runtime\Exception\PropelException * * @return ChildEngagement A model object, or null if the key is not found */ protected function findPkSimple($key, ConnectionInterface $con) { $sql = 'SELECT professor_id, subject_id, course_id, school_year_id, created_at, updated_at FROM engagement WHERE subject_id = :p0 AND course_id = :p1 AND school_year_id = :p2'; try { $stmt = $con->prepare($sql); $stmt->bindValue(':p0', $key[0], PDO::PARAM_INT); $stmt->bindValue(':p1', $key[1], PDO::PARAM_INT); $stmt->bindValue(':p2', $key[2], PDO::PARAM_INT); $stmt->execute(); } catch (Exception $e) { Propel::log($e->getMessage(), Propel::LOG_ERR); throw new PropelException(sprintf('Unable to execute SELECT statement [%s]', $sql), 0, $e); } $obj = null; if ($row = $stmt->fetch(\PDO::FETCH_NUM)) { /** @var ChildEngagement $obj */ $obj = new ChildEngagement(); $obj->hydrate($row); EngagementTableMap::addInstanceToPool($obj, serialize(array((string) $key[0], (string) $key[1], (string) $key[2]))); } $stmt->closeCursor(); return $obj; }