Function defer

lib/sqlalchemy/orm/strategy_options.py:2505–2521

(
    key: _AttrType, *addl_attrs: _AttrType, raiseload: bool = False
)

@loader_unbound_fn
def defer(
    key: _AttrType, *addl_attrs: _AttrType, raiseload: bool = False
) -> _AbstractLoad:
    if addl_attrs:
        util.warn_deprecated(
            "The *addl_attrs on orm.defer is deprecated.  Please use "
            "method chaining in conjunction with defaultload() to "
            "indicate a path.",
            version="1.3",
        )

    if raiseload:
        kw = {"raiseload": raiseload}
    else:
        kw = {}

    return _generate_from_keys(Load.defer, (key,) + addl_attrs, False, kw)


@loader_unbound_fn