Hi,
I'm experiencing some interesting error here with SQLAlchemy:
When I execute one of my functions, which do a simple session.query, the
following traceback occurs, but only sometimes - no clue why and when:
----------------------- snip -----------------------
File "/home/bank/zbsp/buildout/src/bsp/bsp/torder.py", line 183, in
search_torder_tmpl
customer = get_customer(bspconf, session, customerid=customerid)
File "/home/bank/zbsp/buildout/src/bsp/bsp/customer.py", line 71, in
get_custo
mer
customer = session.query(Customer).filter_by(
File
"/home/bank/zbsp/buildout/eggs/SQLAlchemy-0.5.4p1-py2.4.egg/sqlalchemy/orm/query.py",
line 1226, in first
ret = list(self[0:1])
File
"/home/bank/zbsp/buildout/eggs/SQLAlchemy-0.5.4p1-py2.4.egg/sqlalchemy/orm/query.py",
line 1147, in __getitem__
return list(res)
File
"/home/bank/zbsp/buildout/eggs/SQLAlchemy-0.5.4p1-py2.4.egg/sqlalchemy/orm/query.py",
line 1286, in __iter__
self.session._autoflush()
File
"/home/bank/zbsp/buildout/eggs/SQLAlchemy-0.5.4p1-py2.4.egg/sqlalchemy/orm/session.py",
line 899, in _autoflush
self.flush()
File
"/home/bank/zbsp/buildout/eggs/SQLAlchemy-0.5.4p1-py2.4.egg/sqlalchemy/orm/session.py",
line 1354, in flush
self._flush(objects)
File
"/home/bank/zbsp/buildout/eggs/SQLAlchemy-0.5.4p1-py2.4.egg/sqlalchemy/orm/session.py",
line 1359, in _flush
if (not self.identity_map.check_modified() and
File
"/home/bank/zbsp/buildout/eggs/SQLAlchemy-0.5.4p1-py2.4.egg/sqlalchemy/orm/identity.py",
line 56, in check_modified
for state in self._mutable_attrs:
RuntimeError: dictionary changed size during iteration
----------------- snip ------------------
Any hints about what to do?
Best Regards,
Hermann
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