query = db_session.query(RoomMembers).filter_by(room_name=room_name, username=username) try: room = query.one() except MultipleResultsFound, e: print(e) one()は条件的にうまく取れない時はone()メソッドがないというエラーになる。 try exceptを…

sqlalchemy.exc.IntegrityError: (IntegrityError) PRIMARY KEY must be unique u'INSERT INTO usersURL: http://stackoverflow.com/questions/19700697/struck-at-sqlalchemy-exc-integrityerror-integrityerror-constraint-failed-insおそらくidは自分で定…