Method _has_data

mongoengine/queryset/base.py:214–217

Return True if cursor has any data.

(self)

        raise NotImplementedError

    def _has_data(self):
        """Return True if cursor has any data."""
        queryset = self.order_by()
        return False if queryset.first() is None else True

    def __bool__(self):
        """Avoid to open all records in an if stmt in Py3."""