def index_queryset(self):
        return self.get_model().objects.filter(time_updated__lte=datetime.datetime.now())
Returns a list of (column_name, referenced_table_name, referenced_column_name) for all
dataset/ETHPy150Open zorna/zorna/zorna/faq/search_indexes.py/FaqQuestionIndex.index_queryset--crossover with--dataset/ETHPy150Open django/django/django/db/backends/sqlite3/introspection.py/DatabaseIntrospection.get_key_columns