Function _load_on_ident

lib/sqlalchemy/orm/loading.py:496–532

Load the given identity key from the database.

(
    session: Session,
    statement: Union[Select, FromStatement],
    key: Optional[_IdentityKeyType],
    *,
    load_options: Optional[Sequence[ORMOption]] = None,
    refresh_state: Optional[InstanceState[Any]] = None,
    with_for_update: Optional[ForUpdateArg] = None,
    only_load_props: Optional[Iterable[str]] = None,
    no_autoflush: bool = False,
    bind_arguments: Mapping[str, Any] = util.EMPTY_DICT,
    execution_options: _ExecuteOptions = util.EMPTY_DICT,
    require_pk_cols: bool = False,
    is_user_refresh: bool = False,
)

def _load_on_ident(
    session: Session,
    statement: Union[Select, FromStatement],
    key: Optional[_IdentityKeyType],
    *,
    load_options: Optional[Sequence[ORMOption]] = None,
    refresh_state: Optional[InstanceState[Any]] = None,
    with_for_update: Optional[ForUpdateArg] = None,
    only_load_props: Optional[Iterable[str]] = None,
    no_autoflush: bool = False,
    bind_arguments: Mapping[str, Any] = util.EMPTY_DICT,
    execution_options: _ExecuteOptions = util.EMPTY_DICT,
    require_pk_cols: bool = False,
    is_user_refresh: bool = False,
):
    """Load the given identity key from the database."""
    if key is not None:
        ident = key[1]
        identity_token = key[2]
    else:
        ident = identity_token = None

    return _load_on_pk_identity(
        session,
        statement,
        ident,
        load_options=load_options,
        refresh_state=refresh_state,
        with_for_update=with_for_update,
        only_load_props=only_load_props,
        identity_token=identity_token,
        no_autoflush=no_autoflush,
        bind_arguments=bind_arguments,
        execution_options=execution_options,
        require_pk_cols=require_pk_cols,
        is_user_refresh=is_user_refresh,
    )


def _load_on_pk_identity(