it runs for me with 0.3.6 and the trunk. the end of the output is:
2007-04-12 16:57:20,733 INFO sqlalchemy.engine.base.Engine.0x..b0 SELECT addresses.id_user AS addresses_id_user, addresses.id AS addresses_id, addresses.addr AS addresses_addr FROM addresses, users WHERE (users.id = ?) AND users.id = addresses.id_user ORDER BY addresses.oid 2007-04-12 16:57:20,735 INFO sqlalchemy.engine.base.Engine.0x..b0 [1] bob's house bob's flat send the stacktrace youre getting, thatll tell all. On Apr 12, 2007, at 4:25 PM, ml wrote: > See attachment. Tested against 0.3.6. > > > > Michael Bayer napsal(a): >> >> On Apr 12, 2007, at 12:53 PM, ml wrote: >> >>> I tried s.query(Address).select_by(user=u) as I found similar in the >>> documentation >>> (http://www.sqlalchemy.org/docs/ >>> datamapping.html#datamapping_selectrelations_relselectby) >>> but SA raises: >>> AttributeError: 'LazyLoader' object has no attribute 'columns' >>> >> >> >> works for me, cant reproduce. please attach a full reproducing test >> case. >> >>> >> > > > > #!/usr/bin/python2.4 > # -*- coding: utf-8 -*- > > from sqlalchemy3 import * > import datetime, pickle, sys > > engine = create_engine("sqlite://", echo=True) > > metadata = BoundMetaData(engine) > > users_table = Table("users", metadata, > Column("id", Integer, primary_key=True), > Column("user_name", String(16)) > ) > > addresses_table = Table("addresses", metadata, > Column("id", Integer, primary_key=True), > Column("id_user", Integer, ForeignKey("users.id")), > Column("addr", String(100)) > ) > > class User(object): > def __init__(self, user_name): > self.user_name = user_name > > class Address(object): > def __init__(self, addr): > self.addr = addr > > mapper(Address, addresses_table) > mapper(User, users_table, properties = { > "addresses" : relation(Address, cascade="all, delete-orphan", > backref=backref("user")), > } > ) > > metadata.create_all(engine) > > s = create_session(bind_to=engine) > > u1 = User("bob") > a1 = Address("bob's house") > a2 = Address("bob's flat") > u1.addresses.append(a1) > u1.addresses.append(a2) > s.save(u1) > > u2 = User("alice") > a3 = Address("alice's house") > a4 = Address("alice's flat") > u2.addresses.append(a3) > u2.addresses.append(a4) > s.save(u2) > > s.flush() > > u = s.query(User).get_by_user_name("bob") > for i in s.query(Address).select_by(user=u): > print i.addr > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To post to this group, send email to [EMAIL PROTECTED] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en -~----------~----~----~----~------~----~------~--~---
