Method __init__

lib/sqlalchemy/orm/query.py:245–285

Construct a :class:`_query.Query` directly. E.g.:: q = Query([User, Address], session=some_session) The above is equivalent to:: q = some_session.query(User, Address) :param entities: a sequence of entities and/or SQL expressions. :param

(
        self,
        entities: Union[
            _ColumnsClauseArgument[Any], Sequence[_ColumnsClauseArgument[Any]]
        ],
        session: Optional[Session] = None,
    )

        return util.EMPTY_DICT

    def __init__(
        self,
        entities: Union[
            _ColumnsClauseArgument[Any], Sequence[_ColumnsClauseArgument[Any]]
        ],
        session: Optional[Session] = None,
    ):
        """Construct a :class:`_query.Query` directly.

        E.g.::

            q = Query([User, Address], session=some_session)

        The above is equivalent to::

            q = some_session.query(User, Address)

        :param entities: a sequence of entities and/or SQL expressions.

        :param session: a :class:`.Session` with which the
         :class:`_query.Query`
         will be associated.   Optional; a :class:`_query.Query`
         can be associated
         with a :class:`.Session` generatively via the
         :meth:`_query.Query.with_session` method as well.

        .. seealso::

            :meth:`.Session.query`

            :meth:`_query.Query.with_session`

        """

        # session is usually present.  There's one case in subqueryloader
        # where it stores a Query without a Session and also there are tests
        # for the query(Entity).with_session(session) API which is likely in
        # some old recipes, however these are legacy as select() can now be
        # used.
        self.session = session  # type: ignore
        self._set_entities(entities)

    def _set_propagate_attrs(self, values: Mapping[str, Any]) -> Self:
        self._propagate_attrs = util.immutabledict(values)