autoload will get the primary key from the table if there is one defined (at
least it does here on my postgresql installation).
Views however don't have a primary key - that's why I mentioned to specify it.
Uwe
On Tuesday 21 August 2007, Anil wrote:
> Yea, that did it but I thought the autoload=True should get that from
> the existing Table, and not require specification.
>
> On Aug 21, 11:42 am, "Uwe C. Schroeder" <[EMAIL PROTECTED]> wrote:
> > Does the User table have a primary key? If not, give it one and it should
> > work.
> > If it's a view, you'll have to specify the primary key like such:
> >
> > user_table = Table("User", metadata,
> > Column('uid',Integer(),primary_key=True), autoload=True,
> > autoload_with=config['pylons.g'].sa_engine)
> >
> > On Tuesday 21 August 2007, Anil wrote:
> > > I have my table defined as such:
> > >
> > > user_table = Table("User", metadata, autoload=True,
> > > autoload_with=config['pylons.g'].sa_engine)
> > >
> > > Which throws this exception:
> > >
> > > Module entic.controllers.access:74 in _login
> > > <<
> > > # select our user
> > > user_q = model.Session.query(model.User)
> > > user = user_q.filter_by(mail=mail, status=1)
> > > h.log(user)
> > >
> > > >> user_q = model.Session.query(model.User)
> > >
> > > Module sqlalchemy.orm.scoping:68 in do
> > > Module sqlalchemy.orm.session:642 in query
> > > Module sqlalchemy.orm.mapper:1648 in class_mapper
> > > Module sqlalchemy.orm.mapper:236 in compile
> > > Module sqlalchemy.orm.mapper:251 in _compile_all
> > > Module sqlalchemy.orm.mapper:278 in _do_compile
> > > Module sqlalchemy.orm.mapper:446 in _compile_tables
> > > <class 'sqlalchemy.exceptions.ArgumentError'>: Could not assemble any
> > > primary key columns for mapped table 'User'
> > >
> > > Thanks, for the help.
> >
> > --
> > UC
> >
> > --
> > Open Source Solutions 4U, LLC 1618 Kelly St
> > Phone: +1 707 568 3056 Santa Rosa, CA 95401
> > Cell: +1 650 302 2405 United States
> > Fax: +1 707 568 6416
>
>
--
UC
--
Open Source Solutions 4U, LLC 1618 Kelly St
Phone: +1 707 568 3056 Santa Rosa, CA 95401
Cell: +1 650 302 2405 United States
Fax: +1 707 568 6416
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