Nothing hackish about it. The SQL is doing exactly what you want; union the posting tables and join the result to users. Simple enough that the database engine should construct a reasonable plan.
-- Mike Conley On Wed, Sep 9, 2009 at 8:41 PM, Seth <seedifferen...@gmail.com> 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? > > Seth > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To post to this group, send email to sqlalchemy@googlegroups.com To unsubscribe from this group, send email to sqlalchemy+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en -~----------~----~----~----~------~----~------~--~---
