Oh my mistake.
It works totally!
On 13 fév, 21:29, Michael Bayer <[email protected]> wrote:
> On Feb 13, 2009, at 12:05 PM, GustaV wrote:
>
>
>
>
>
> > Hello!
>
> > In a configuration looking like this:
> > class Parent:
> > pass
>
> > class Child(Parent):
> > pass
>
> > class ChildChild(Child):
> > pass
>
> > I would like to query the Childs and all classes that inherits it
> > (here: ChildChild), but not Parent instances.
> > session.query(Child).all() returns Child type only ( SQL : "WHERE type
> > IN (2)" ), and I'd like to avoid to manually list the classes that
> > inherit Child class.
>
> query(Child) should be returning Child and ChildChild classes - the IN
> will include both subtypes. make sure you're not on an old version
> of sqlalchemy.
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