I have exactly the same problem with 0.5.3. On one machine the mapping
works fine with 0.5.2 on another with 0.5.3 I get the error you
mentioned.
On Apr 2, 3:36 pm, Andreas Jung <li...@zopyx.com> wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> I am getting the following error after upgrading from post-0.5.2 version
> (SVN) to 0.5.3:
>
> ======================================================================
> ERROR: testToolLookupVisitedBy (tool.tests.test_tool_lookup.TestToolLookup)
> - ----------------------------------------------------------------------
> Traceback (most recent call last):
> File "/HRS2/local/lib/python2.4/unittest.py", line 260, in run
> testMethod()
> File
> "/local/HRS2/Devel/junga/tb-dev/parts/modules-svn/toolbox/tool/tests/test_tool_lookup.py",
> line 47, in testToolLookupVisitedBy
> rows = TL.toolsVisitedBy('ajung')
> File
> "/local/HRS2/Devel/junga/tb-dev/parts/modules-svn/toolbox/tool/__init__.py",
> line 70, in toolsVisitedBy
> visited_tools = session.query(VT).filter_by(benutzer=username.lower())
> File
> "/local/HRS2/Devel/junga/tb-dev/eggs/SQLAlchemy-0.5.3-py2.4.egg/sqlalchemy/orm/session.py",
> line 895, in query
> return self._query_cls(entities, self, **kwargs)
> File
> "/local/HRS2/Devel/junga/tb-dev/eggs/SQLAlchemy-0.5.3-py2.4.egg/sqlalchemy/orm/query.py",
> line 91, in __init__
> self._set_entities(entities)
> File
> "/local/HRS2/Devel/junga/tb-dev/eggs/SQLAlchemy-0.5.3-py2.4.egg/sqlalchemy/orm/query.py",
> line 100, in _set_entities
> self.__setup_aliasizers(self._entities)
> File
> "/local/HRS2/Devel/junga/tb-dev/eggs/SQLAlchemy-0.5.3-py2.4.egg/sqlalchemy/orm/query.py",
> line 114, in __setup_aliasizers
> mapper, selectable, is_aliased_class = _entity_info(entity)
> File
> "/local/HRS2/Devel/junga/tb-dev/eggs/SQLAlchemy-0.5.3-py2.4.egg/sqlalchemy/orm/util.py",
> line 492, in _entity_info
> mapper = class_mapper(entity, compile)
> File
> "/local/HRS2/Devel/junga/tb-dev/eggs/SQLAlchemy-0.5.3-py2.4.egg/sqlalchemy/orm/util.py",
> line 567, in class_mapper
> mapper = mapper.compile()
> File
> "/local/HRS2/Devel/junga/tb-dev/eggs/SQLAlchemy-0.5.3-py2.4.egg/sqlalchemy/orm/mapper.py",
> line 653, in compile
> raise sa_exc.InvalidRequestError("One or more mappers failed to
> compile. Exception was probably "
> InvalidRequestError: One or more mappers failed to compile. Exception
> was probably suppressed within a hasattr() call. Message was: One or
> more mappers failed to compile. Exception was probably suppressed
> within a hasattr() call. Message was: One or more mappers failed to
> compile. Exception was probably suppressed within a hasattr() call.
> Message was: One or more mappers failed to compile. Exception was
> probably suppressed within a hasattr() call. Message was:
> Hierarchies.subscribed_by and back-reference Hierarchies.subscriber are
> both of the same direction <symbol 'ONETOMANY>. Did you mean to set
> remote_side on the many-to-one side ?
>
> The related code is:
>
> class Hierarchies(Base, AsDictMixin):
> __tablename__ = 'hierarchies'
> __table_args__ = ( { 'autoload' : True, })
> __mapper_args__ = ({'extension' : HierachiesDeletionLogger()})
>
> id = Column(Integer, Sequence('hierarchies_seq'), primary_key=True)
> parent_id = Column(Integer, ForeignKey('hierarchies.id'))
> hierarchyshare_id = Column(Integer, ForeignKey('hierarchies.id'))
> pos = Column(Integer)
>
> Hierarchies.subscribed_by = relation('Hierarchies',
>
> primaryjoin=Hierarchies.hierarchyshare_id==Hierarchies.id,
> backref=backref("subscriber",
> remote_side=Hierarchies.hierarchyshare_id),
> remote_side=Hierarchies.hierarchyshare_id,
> uselist=True,
> )
>
> Anything I am missing or something that changed over the last two weeks
> at this point?
>
> Andreas
>
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