def label(self, string):
        """
        Adds an arbitrary user-defined comment that will appear after
        SELECT/UPDATE/DELETE which can be used to identify where the query was
        generated, etc.
        """
        if string in '*/':
            raise ValueError("Bad label - cannot be embedded in SQL comment")
        return self.extra(where=["/*QueryRewrite':label={}*/1".format(string)])
dataset/ETHPy150Open adamchainz/django-mysql/django_mysql/models/query.py/QuerySetMixin.label/swapped operands of `in`