On Jul 23, 2009, at 5:20 PM, Gregg Lind wrote:
>
> How do I implement this join? If I do this:
>
> sq =
> session
> .query
> (Route
> .ts
> ,Route
> .startpoint,Route.target,func.max(Route.hop_id).label('max_hop'))
> sq = sq.group_by(Route.ts,Route.startpoint,Route.target).subquery()
>
> then:
>
> q = session.Query(Route,*sq.c).join(???)
>
> What would that join be on? Hop_id isn't in the subquery.
>
sq.c.max_hop
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