>>> item = session.query(Item).get(1)
>>> item in session
True
>>> session.clear()
>>> item in session
False
>>> session.save(item)
Traceback (most recent call last):
File "<stdin>", line 1, in ?
File "sqlalchemy/orm/session.py", line 278, in save
self._save_impl(object, entity_name=entity_name)
File "sqlalchemy/orm/session.py", line 331, in _save_impl
raise exceptions.InvalidRequestError("Instance '%s' is already
persistent in a different Session" % repr(object))
sqlalchemy.exceptions.InvalidRequestError: Instance '<sa.Item object
at 0xb78d4c0c>' is already persistent in a different Session
-------------------------------------------------------------------------------
I understand that this should generate an exeption but isn't object
item "detached" as opposed to persistent in a different Session?
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