/**
  * 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 $con A connection object
  *
  * @throws \Propel\Runtime\Exception\PropelException
  *
  * @return ChildКалендарь A model object, or null if the key is not found
  */
 protected function findPkSimple($key, ConnectionInterface $con)
 {
     $sql = 'SELECT Дата, Год, Полугодие, Квартал, Номер_месяца, Месяц, День, Номер_недели, День_недели, День_в_году FROM Календарь WHERE Дата = :p0';
     try {
         $stmt = $con->prepare($sql);
         $stmt->bindValue(':p0', $key ? $key->format("Y-m-d H:i:s") : null, PDO::PARAM_STR);
         $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 ChildКалендарь $obj */
         $obj = new ChildКалендарь();
         $obj->hydrate($row);
         КалендарьTableMap::addInstanceToPool($obj, null === $key || is_scalar($key) || is_callable([$key, '__toString']) ? (string) $key : $key);
     }
     $stmt->closeCursor();
     return $obj;
 }