Are you doing any relationship assignments in the User constructor?
Because if the assigned object is in a session the User will also be put
in the same one automatically. Otherwise the default behaviour is
exactly what you expect. If you do a: print session.new, you should not
see anything in there. Also, you might want to read up on the object
states in the docs. A standard object is first in "detached state".
Cheers
Sebastian
On 07/22/2013 04:22 PM, Michel Albert wrote:
Hi,
I realised that SA adds an instance to the session as soon as I
instantiate it. How/Where can I disable this?
For example: currently I have this behaviour:
>>> session = get_session()
>>> my_user = User(email='f...@example.com')
>>> len(session.query(User))
1
but instead I would like to have the following:
>>> session = get_session()
>>> my_user = User(email='f...@example.com')
>>> len(session.query(User))
0
>>> session.add(my_user)
>>> len(session.query(User))
1
--
mich.
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