Thanks for the quick response! The following does *not* work. Am I making the call incorrectly?
sel = union_all(*[q.self_group() for q in querylist]) On Fri, Dec 5, 2008 at 4:08 PM, Michael Bayer <[EMAIL PROTECTED]> wrote: > > try calling self_group() on each select object. > > On Dec 5, 2008, at 3:55 PM, Bo Shi wrote: > >> >> Hi all, >> >> There appear to be some nuances to using order by statements with set >> operations like unions in MySQL but the following is allowed*: >> >> (SELECT a,b from DBA.tbl ORDER BY b LIMIT 5) >> UNION ALL >> (SELECT a,b from DBB.tbl ORDER BY b LIMIT 5) >> ORDER BY b >> >> When I attempt to generate such a statement with: >> >> union_all(*list_of_select_objs), >> >> The SQL generated lacks parentheses around the SELECT statements (in >> addition to dropping the order by clauses, but that appears to be >> expected behavior). Is there a way to put the parentheses in? >> >> >> *just an example, the query i've written is meaningless/useless :-) >> >> >> -- >> Bo Shi >> 207-469-8264 >> >> > > > > > > -- Bo Shi 207-469-8264 --~--~---------~--~----~------------~-------~--~----~ 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 [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en -~----------~----~----~----~------~----~------~--~---
