Thanks!
On 8 Maj, 16:24, Michael Bayer <mike...@zzzcomputing.com> wrote:
> On May 8, 2010, at 9:40 AM, Adam Dziendziel wrote:
>
>
>
> > Hi,
>
> > I would like to be able to write a query like:
>
> > session.query(Post).recent().include_authors().limit(10).all()
>
> > that would translate into:
>
> > session.query(Post).order_by(Post.created_at.desc()).options(joinedload('author')).limit(10).all()
>
> > The former code hides persistence details from the user. Methods
> > recent() and include_authors() are specific for the Post class.
>
> > Is this possible to achieve that kind of syntax on top of SQLAlchemy,
> > for example, by extending the Query class? I know that I can pass a
> > custom Query class to the constructor of a Session. It is possible to
> > set a different Query class for each mapped class?
>
> sure, pass in a callable to the session for query_cls which does whatever
> translation to an actual Query instance you'd like.
>
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