def set_negative_aliases (self, negative_alias):
        self._check_alias_dict(negative_alias, "negative alias")
        self.negative_alias = negative_alias
Performs the full text ranking.
dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/distutils/fancy_getopt.py/FancyGetopt.set_negative_aliases--crossover with--dataset/ETHPy150Open etianen/django-watson/src/watson/backends.py/PostgresSearchBackend.do_filter_ranking