this looks like some kind of serialization issue. are you deserializing instances before mappers have been compiled ? if you upgrade to 0.6, this will raise an error immediately at the point at which it occurs.
On May 7, 2010, at 9:49 AM, andrew cooke wrote: > > Hi, > > This trace is from some code that is loading a lot of objects (and > which usually does so with no problems). I don't have more details > yet (it will be quite some work to find out exactly what data is > causing the error), but it does use joined table inheritance. Does > anyone have any idea what the cause might be just from the trace? > > SQLAlchemy 0.5.8 with Python 2.5 on Linux. > > Thanks, > Andrew > > File "/usr/local/home/andrewc/tngb3/repository-lib/src/kpi/load/ > manage/statio\ > ns.py", line 170, in _zero > loader.commit() > File "/usr/local/home/andrewc/tngb3/repository-lib/src/kpi/load/load/ > loader.p\ > y", line 169, in commit > self.__load_data(entity_map, time_series_map, metric_map) > File "/usr/local/home/andrewc/tngb3/repository-lib/src/kpi/load/load/ > loader.p\ > y", line 291, in __load_data > self.__session.flush() > File "/usr/local/home/andrewc/SQLAlchemy-0.5.8/build/lib/sqlalchemy/ > orm/sessi\ > on.py", line 1354, in flush > self._flush(objects) > File "/usr/local/home/andrewc/SQLAlchemy-0.5.8/build/lib/sqlalchemy/ > orm/sessi\ > on.py", line 1432, in _flush > flush_context.execute() > File "/usr/local/home/andrewc/SQLAlchemy-0.5.8/build/lib/sqlalchemy/ > orm/unito\ > fwork.py", line 261, in execute > UOWExecutor().execute(self, tasks) > File "/usr/local/home/andrewc/SQLAlchemy-0.5.8/build/lib/sqlalchemy/ > orm/unito\ > fwork.py", line 753, in execute > self.execute_save_steps(trans, task) > File "/usr/local/home/andrewc/SQLAlchemy-0.5.8/build/lib/sqlalchemy/ > orm/unito\ > fwork.py", line 768, in execute_save_steps > self.save_objects(trans, task) > File "/usr/local/home/andrewc/SQLAlchemy-0.5.8/build/lib/sqlalchemy/ > orm/unito\ > fwork.py", line 759, in save_objects > task.mapper._save_obj(task.polymorphic_tosave_objects, trans) > File "/usr/local/home/andrewc/SQLAlchemy-0.5.8/build/lib/sqlalchemy/ > orm/mappe\ > r.py", line 1434, in _save_obj > if mapper._get_state_attr_by_column(state, col) is None and > len(primary_key\ > ) > i: > File "/usr/local/home/andrewc/SQLAlchemy-0.5.8/build/lib/sqlalchemy/ > orm/mappe\ > r.py", line 1111, in _get_state_attr_by_column > return self._get_col_to_prop(column).getattr(state, column) > File "/usr/local/home/andrewc/SQLAlchemy-0.5.8/build/lib/sqlalchemy/ > orm/prope\ > rties.py", line 99, in getattr > return state.get_impl(self.key).get(state, state.dict) > File "/usr/local/home/andrewc/SQLAlchemy-0.5.8/build/lib/sqlalchemy/ > orm/state\ > .py", line 92, in get_impl > return self.manager.get_impl(key) > AttributeError: 'InstanceState' object has no attribute 'manager' > > -- > You received this message because you are subscribed to the Google Groups > "sqlalchemy" group. > To post to this group, send email to sqlalch...@googlegroups.com. > To unsubscribe from this group, send email to > sqlalchemy+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/sqlalchemy?hl=en. > -- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To post to this group, send email to sqlalch...@googlegroups.com. To unsubscribe from this group, send email to sqlalchemy+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en.
