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Group By
Having
https://docs.sqlalchemy.org/en/stable/orm/query.html#sqlalchemy.orm.Query.group_by
https://docs.sqlalchemy.org/en/stable/orm/query.html#sqlalchemy.orm.Query.having
>>> q = session.query(User.id).\ ... join(User.addresses).\ ... group_by(User.id).\ ... having(func.count(Address.id) > 2)