this sounds like you're receiving an INTEGER column as a Numeric or Float.
We should get 23 and such in there, thought we had gotten to this already but
apparently not so ticket #1955 is added but for now make sure that column is
declared as Integer.
On Oct 25, 2010, at 7:35 PM, ellonweb wrote:
> I've added a few extra columns to one of my tables (nothing fancy,
> just plain Integers and Floats) and created them manually in the db.
> Now every time I try to query an object from this table I get the
> error in the subject. Using declarative in SA 0.6.3 on PG8.4.
> Traceback below, any help is much appreciated!
>
> File "C:\Program Files\Python\lib\site-packages\sqlalchemy-0.6.3-
> py2.6.egg\sqlalchemy\orm\query.py", line 1405, in __getitem__
> return list(res)
> File "C:\Program Files\Python\lib\site-packages\sqlalchemy-0.6.3-
> py2.6.egg\sqlalchemy\orm\query.py", line 1565, in __iter__
> return self._execute_and_instances(context)
> File "C:\Program Files\Python\lib\site-packages\sqlalchemy-0.6.3-
> py2.6.egg\sqlalchemy\orm\query.py", line 1570, in
> _execute_and_instances
> mapper=self._mapper_zero_or_none())
> File "C:\Program Files\Python\lib\site-packages\sqlalchemy-0.6.3-
> py2.6.egg\sqlalchemy\orm\session.py", line 735, in execute
> clause, params or {})
> File "C:\Program Files\Python\lib\site-packages\sqlalchemy-0.6.3-
> py2.6.egg\sqlalchemy\engine\base.py", line 1157, in execute
> params)
> File "C:\Program Files\Python\lib\site-packages\sqlalchemy-0.6.3-
> py2.6.egg\sqlalchemy\engine\base.py", line 1237, in
> _execute_clauseelement
> return self.__execute_context(context)
> File "C:\Program Files\Python\lib\site-packages\sqlalchemy-0.6.3-
> py2.6.egg\sqlalchemy\engine\base.py", line 1278, in __execute_context
> r = context.get_result_proxy()._autoclose()
> File "C:\Program Files\Python\lib\site-packages\sqlalchemy-0.6.3-
> py2.6.egg\sqlalchemy\dialects\postgresql\psycopg2.py", line 156, in
> get_result_proxy
> return base.ResultProxy(self)
> File "C:\Program Files\Python\lib\site-packages\sqlalchemy-0.6.3-
> py2.6.egg\sqlalchemy\engine\base.py", line 2169, in __init__
> self._init_metadata()
> File "C:\Program Files\Python\lib\site-packages\sqlalchemy-0.6.3-
> py2.6.egg\sqlalchemy\engine\base.py", line 2176, in _init_metadata
> self._metadata = ResultMetaData(self, metadata)
> File "C:\Program Files\Python\lib\site-packages\sqlalchemy-0.6.3-
> py2.6.egg\sqlalchemy\engine\base.py", line 2047, in __init__
> result_processor(dialect, coltype)
> File "C:\Program Files\Python\lib\site-packages\sqlalchemy-0.6.3-
> py2.6.egg\sqlalchemy\dialects\postgresql\psycopg2.py", line 99, in
> result_processor
> raise exc.InvalidRequestError("Unknown PG numeric type: %d" %
> coltype)
> InvalidRequestError: Unknown PG numeric type: 23
>
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