Hi Michael,
I'm having the same problem described in ticket 370.
Eg.:
mapper(User, users_table, properties = dict(
preferences = relation(UserPrefs, cascade="all, delete-orphan"),
))
when I try to do this:
u = session.query(User).get(1)
u.preferences.clear()
session.flush()
it thows a ConcurrentModificationError exception.
I'm using SA 0.3.7, kinterbasdb 3.2, Firebird 1.5...if that matters...
Do you have any news about it ?
TIA,
Roger
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