def get_ancestor_link(self, ancestor):
        if ancestor in self.parents:
            return self.parents[ancestor]
        for parent in self.parents:
            # Tries to get a link field from the immediate parent
            parent_link = parent._meta.get_ancestor_link(ancestor)
            if parent_link:
                # In case of a proxied model, the first link
                # of the chain to the ancestor is that parent
                # links
                return self.parents[parent] or parent_link
Return a server_version_info tuple.
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Django-1.6.10/django/db/models/options.py/Options.get_ancestor_link--crossover with--dataset/ETHPy150Open RoseOu/flasky/venv/lib/python2.7/site-packages/sqlalchemy/testing/exclusions.py/_server_version