Hello,

> Im using 0.4.5, is this feature only available in 0.5?

Yes, it's not available in 0.4.5.  There is the predecessor _values
available in 0.4.5. It was experimental and it's behavior has changed
somewhat but will basically do the same thing.

Michael

> 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'))
> >
>

--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups 
"sqlalchemy" group.
To post to this group, send email to [email protected]
To unsubscribe from this group, send email to [EMAIL PROTECTED]
For more options, visit this group at 
http://groups.google.com/group/sqlalchemy?hl=en
-~----------~----~----~----~------~----~------~--~---

Reply via email to