Method _comment_sql

django/db/backends/base/schema.py:1476–1477

(self, comment)

        )

    def _comment_sql(self, comment):
        return self.quote_value(comment or "")

    def _alter_many_to_many(self, model, old_field, new_field, strict):
        """Alter M2Ms to repoint their to= endpoints."""