I really don't know why this query returns me this .. totally mysterious Le jeudi 16 mai 2019 16:27:50 UTC+2, Scheck David a écrit : > > I finished by a query like that : > > > last_statuses = aliased(statussen_table_name, > self.session.query(getattr(statussen_table_name, object_name), > > statussen_table_name.status_id).join(Status).order_by(Status.datum.desc()).limit(1).subquery().lateral()) > return > self.session.query(self.cls).join(last_statuses).filter(Status.statustype_id > > 50).all() > > the problem is that there is a problem in the query : > > sqlalchemy.exc.InvalidRequestError: Select statement 'SELECT > statussen.datum > > FROM (SELECT personen.id AS personen_id > > FROM statussen, personen JOIN LATERAL (SELECT > personen_statussen.persoon_id AS persoon_id, personen_statussen.status_id > AS status_id > > FROM personen_statussen JOIN statussen ON statussen.id = > personen_statussen.status_id ORDER BY statussen.datum DESC > > LIMIT :param_1) AS anon_2 ON personen.id = anon_2.persoon_id > > WHERE statussen.statustype_id > :statustype_id_1) AS anon_1, > personen_statussen > > WHERE statussen.id = personen_statussen.status_id' returned no FROM > clauses due to auto-correlation; specify correlate(<tables>) to control > correlation manually. >
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