here is the sample code I am using
   http://pastebin.com/m6cd9c5dd

-- 
Mike Conley



On Wed, Sep 9, 2009 at 11:10 PM, Mike Conley <mconl...@gmail.com> wrote:

> On Wed, Sep 9, 2009 at 10:46 PM, Michael Bayer 
> <mike...@zzzcomputing.com>wrote:
>
>>
>>
>> On Sep 9, 2009, at 8:41 PM, Seth wrote:
>>
>> >
>> > Ok Mike,
>> >
>> > Tell me what you think about this:
>> >
>> > q1 = DBSession.query(P1.id, P1.user_id, P1.type, P1.title, P1.body,
>> > P1.created, P1.updated)
>> > q2 = DBSession.query(P2.id, P2.user_id, "'P2'", P2.title, P2.body,
>> > P2.created, P2.updated)
>> > q3 = DBSession.query(P3.id, P3.user_id, "'P3'", P3.title, P3.body,
>> > P3.created, P3.updated)
>> >
>> > subquery = DBSession.query().from_statement(union_all(q1, q2,
>> > q3)).subquery()
>> >
>> > posts = DBSession.query(subquery, User.name).filter
>> > (User.user_id==subquery.c.user_id)
>> >
>> >
>> > Kind of hackish, but... it seems to work?
>>
>> you should be able to call select() directly on the union_all() and
>> send that as your subquery.
>>
>>
> What would that look like? I don't get it the syntax.
>
> This is also really close to answering the question I posted earlier about
> labeling literals in the first query of a union. I'll reply to that thread
> again when I have the answer completed.
>
> --
> Mike Conley
>
>
>

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