Method add_filter

django/db/models/sql/query.py:1659–1660

(self, filter_lhs, filter_rhs)

        return clause, used_joins if not require_outer else ()

    def add_filter(self, filter_lhs, filter_rhs):
        self.add_q(Q((filter_lhs, filter_rhs)))

    def add_q(self, q_object, reuse_all=False):
        """