Im using 0.4.5, is this feature only available in 0.5?
On Sep 16, 4:02 pm, Michael Bayer <[EMAIL PROTECTED]> wrote:
> On Sep 16, 2008, at 3:51 AM, Grimsqueaker wrote:
>
>
>
> > I'm having some trouble using generative queries. In my case, I want
> > to compile a query and then add further from (join) clauses onto it
> > and change the column clause so that I get different results each
> > time. I can add from, where and column clauses easily using the
> > provided methods, but there seems to be no provision for removing
> > clauses. Is this intentional or is it an oversight?
>
> > Can anyone provide some insight into this issue?
>
> The level of state which Query builds up for some generations is
> fairly complex so we've balked on adding "reversibility" throughout
> for now.
>
> You can specify any custom set of columns and get a result immediately
> using values() however:
>
> query.values(MyClass.id, MyClass.name,
> func.max(MyClass.foo).label('foo'))
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