On Monday 24 September 2007 22:31:35 Michael Bayer wrote: > On Sep 24, 2007, at 12:13 PM, [EMAIL PROTECTED] wrote: > > it something to do with that expects thing... > > just do a x = str(b) before session.clear(), breaks it all. > > OK...that was just a *great* way to spend all day tracking that one > down. its fixed in 3515. I didn't bother to see why it doesn't > exist in 0.3, but its confusing that it doesn't, since the basic > mechanics of this one are present there as well, there must be some > subtlety which conceals it. I hope you can find more insanely > obscure bugs like this for me tomorrow ! > now that u mentioned it... r3515 introduces something:
File "/home/az/src/dbcook/sqlalchemy/orm/query.py", line 619, in
__iter__
return self._execute_and_instances(statement)
File "/home/az/src/dbcook/sqlalchemy/orm/query.py", line 624, in
_execute_and_instances
return iter(self.instances(result))
File "/home/az/src/dbcook/sqlalchemy/orm/query.py", line 680, in
instances
self.select_mapper._instance(context, row, result)
File "/home/az/src/dbcook/sqlalchemy/orm/mapper.py", line 1360, in
_instance
discriminator = row[self.polymorphic_on]
File "/home/az/src/dbcook/sqlalchemy/engine/base.py", line 1590, in
__getitem__
return self.__parent._get_col(self.__row, key)
File "/home/az/src/dbcook/sqlalchemy/engine/base.py", line 1394, in
_get_col
rec = self._key_cache[key]
File "/home/az/src/dbcook/sqlalchemy/util.py", line 72, in
__missing__
self[key] = val = self.creator(key)
File "/home/az/src/dbcook/sqlalchemy/engine/base.py", line 1304, in
lookup_key
raise exceptions.NoSuchColumnError("Could not locate column in row
for column '%s'" % (str(key)))
NoSuchColumnError: "Could not locate column in row for
column 'pu_a.atype'"
? failed A.query_SUB_instances: "Could not locate column in row for
column 'pu_a.atype'"
pu_a is polymorphic union, and fails only if from_statement() is
involved.
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_t3515.py
Description: application/python
sa_gentestbase.py
Description: application/python
