Thanks! I'll try it! On 9/20/07, Rick Morrison <[EMAIL PROTECTED]> wrote: > > Yes, those are called subqueries; they're fully supported by SA. Your > query above has a couple of items of note: > > a) it's a correlated subquery: the inner query references items in the > outer query. (supported by SA) > b) it's a self-join: the inner query and outer query reference the same > table. (also supported by SA) > > your query roughly translates into: > > p2 = p.alias() > select([p.c.id ], p.c.number == select(func.max(p2.c.number), > p2.c.attribute == p.attribute)) > > > > >
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