Hi Michael,
In the svn trunk it works
> I would advise to get the latest SVN trunk and see if that works,
> someone else is having good results with it right now. also if its
> possible to test your code with a different DB (like sqlite) to
> establish that its an oracle-only problem.
engine = create_engine('oracle://dsn=orcl&user=asdf&password=asdf')
foo = Table('foo', engine,
Column('id', Integer, Sequence('foo_seq'), primary_key=True),
Column('asdf', String(255)))
class Foo(object): pass
Foo.mapper = mapper(Foo, foo)
Foo.mapper.get_by_asdf('asdf') #fails same error
Foo.mapper.get_by(asdf='asdf') #fails same error
Foo.mapper.selectone(foo.c.asdf=='asdf') #fails same error
Foo.mapper.select(foo.c.asdf=='asdf') #ok
> finally, if you can give me a full test program (I notice youre doing
> a get_by_name in there) i will run it as soon as I get back to where
> my Oracle server is.
Kind Regards,
Florian
> On Mar 7, 2006, at 1:50 PM, Florian Boesch wrote:
>
> > Hi,
> >
> > I've got a problem since 0.1.3 that didn't exist in 0.1.2, the
> > problem is:
> >
> > File "/home/florian/shop_ng/shop/shop/controllers.py", line 16, in
> > __getattr__
> > config = orm.Mandator.mapper.get_by_name(name)
> > File
> > "/usr/local/lib/python2.4/site-packages/SQLAlchemy-0.1.3-py2.4.egg/
> > sqlalchemy/mapping/mapper.py",
> > line 425, in foo
> > return self.get_by(**{key:arg})
> > File
> > "/usr/local/lib/python2.4/site-packages/SQLAlchemy-0.1.3-py2.4.egg/
> > sqlalchemy/mapping/mapper.py",
> > line 355, in get_by
> > x = self.select_whereclause(self._by_clause(*args, **params),
> > limit=1)
> > File
> > "/usr/local/lib/python2.4/site-packages/SQLAlchemy-0.1.3-py2.4.egg/
> > sqlalchemy/mapping/mapper.py",
> > line 457, in select_whereclause
> > return self._select_statement(statement, params=params)
> > File
> > "/usr/local/lib/python2.4/site-packages/SQLAlchemy-0.1.3-py2.4.egg/
> > sqlalchemy/mapping/mapper.py",
> > line 477, in _select_statement
> > return self.instances(statement.execute(**params), **kwargs)
> > File
> > "/usr/local/lib/python2.4/site-packages/SQLAlchemy-0.1.3-py2.4.egg/
> > sqlalchemy/sql.py",
> > line 397, in execute
> > c = self.compile(e, parameters=bindparams)
> > File
> > "/usr/local/lib/python2.4/site-packages/SQLAlchemy-0.1.3-py2.4.egg/
> > sqlalchemy/sql.py",
> > line 383, in compile
> > return engine.compile(self, parameters=parameters,
> > typemap=typemap)
> > File
> > "/usr/local/lib/python2.4/site-packages/SQLAlchemy-0.1.3-py2.4.egg/
> > sqlalchemy/engine.py",
> > line 316, in compile
> > statement.accept_visitor(compiler)
> > File
> > "/usr/local/lib/python2.4/site-packages/SQLAlchemy-0.1.3-py2.4.egg/
> > sqlalchemy/sql.py",
> > line 1262, in accept_visitor
> > visitor.visit_select(self)
> > File
> > "/usr/local/lib/python2.4/site-packages/SQLAlchemy-0.1.3-py2.4.egg/
> > sqlalchemy/databases/oracle.py",
> > line 225, in visit_select
> > limitselect.accept_visitor(self)
> > File
> > "/usr/local/lib/python2.4/site-packages/SQLAlchemy-0.1.3-py2.4.egg/
> > sqlalchemy/sql.py",
> > line 1255, in accept_visitor
> > f.accept_visitor(visitor)
> > File
> > "/usr/local/lib/python2.4/site-packages/SQLAlchemy-0.1.3-py2.4.egg/
> > sqlalchemy/sql.py",
> > line 1262, in accept_visitor
> > visitor.visit_select(self)
> > File
> > "/usr/local/lib/python2.4/site-packages/SQLAlchemy-0.1.3-py2.4.egg/
> > sqlalchemy/databases/oracle.py",
> > line 208, in visit_select
> > ansisql.ANSICompiler.visit_select(self, select)
> > File
> > "/usr/local/lib/python2.4/site-packages/SQLAlchemy-0.1.3-py2.4.egg/
> > sqlalchemy/ansisql.py",
> > line 253, in visit_select
> > l.accept_visitor(self)
> > File
> > "/usr/local/lib/python2.4/site-packages/SQLAlchemy-0.1.3-py2.4.egg/
> > sqlalchemy/sql.py",
> > line 941, in accept_visitor
> > self.obj.accept_visitor(visitor)
> > File
> > "/usr/local/lib/python2.4/site-packages/SQLAlchemy-0.1.3-py2.4.egg/
> > sqlalchemy/sql.py",
> > line 962, in accept_visitor
> > visitor.visit_column(self)
> > File
> > "/usr/local/lib/python2.4/site-packages/SQLAlchemy-0.1.3-py2.4.egg/
> > sqlalchemy/databases/oracle.py",
> > line 176, in visit_column
> > return ansisql.ANSICompiler.visit_column(self, column)
> > File
> > "/usr/local/lib/python2.4/site-packages/SQLAlchemy-0.1.3-py2.4.egg/
> > sqlalchemy/ansisql.py",
> > line 158, in visit_column
> > self.strings[column] = "%s.%s" % (column.table.name, column.name)
> > AttributeError: 'NoneType' object has no attribute 'name'
> >
> > Mandator here beeing a very simple table as in:
> >
> > mandator = Table('mandator', engine,
> > Column('id', Integer, Sequence('mandator_seq'), primary_key=True),
> > Column('name', String(255))
> > )
> >
> > and the mapper as in
> >
> > class Mandator(object): pass
> > Mandator.mapper = mapper(Mandator, model.mandator)
> >
> > Any ideas?
> >
> > On a sidenote, a fully functional enterprise oracle is avaible for
> > free as in
> > beer if you can agree on using it in development only.
> >
> >
> >
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