Method count

lib/sqlalchemy/ext/baked.py:420–432

return the 'count'. Equivalent to :meth:`_query.Query.count`. Note this uses a subquery to ensure an accurate count regardless of the structure of the original statement.

(self)

        return result

    def count(self):
        """return the 'count'.

        Equivalent to :meth:`_query.Query.count`.

        Note this uses a subquery to ensure an accurate count regardless
        of the structure of the original statement.

        """

        col = func.count(literal_column("*"))
        bq = self.bq.with_criteria(lambda q: q._legacy_from_self(col))
        return bq.for_session(self.session).params(self._params).scalar()

    def scalar(self):
        """Return the first element of the first result or None