[sqlalchemy] Re: Savepoints and expiry

2014-02-11 Thread Wolfgang Schnerring
On 3 Feb 2014 09:51:20 Michael Bayer mike...@zzzcomputing.com wrote: On Feb 3, 2014, at 2:39 AM, Wolfgang Schnerring w...@gocept.com wrote: I guess I didn't make it clear enough that I'm talking mainly about this collections issue. Sorry about that; let me try again: I feel it would be much

Re: [sqlalchemy] Savepoints and expiry

2014-02-11 Thread Michael Bayer
On Feb 11, 2014, at 3:44 AM, Wolfgang Schnerring w...@gocept.com wrote: def test_children_should_be_removed_from_collection_on_savepoint(self): session = self.sessionmaker() parent = Parent() Child(parent=parent) session.add(parent) session.commit()

[sqlalchemy] override relationship in subclass

2014-02-11 Thread Eric Atkin
Hi, I want to override a relationship in a subclass to relate to a subclass of the base attributes' related class. Perhaps an example of how I thought it should work: {{{ class Load(Base): __tablename__ = 'load' __mapper_args__ = { 'polymorphic_identity':'load',

[sqlalchemy] Re: Savepoints and expiry

2014-02-11 Thread Wolfgang Schnerring
On 11 Feb 2014 06:54:22 Michael Bayer mike...@zzzcomputing.com wrote: On Feb 11, 2014, at 3:44 AM, Wolfgang Schnerring w...@gocept.com wrote: parent = session.query(Parent).first() self.assertEqual(1, len(parent.children)) session.begin_nested()