that's correct. what does it render ? On Dec 5, 2008, at 4:17 PM, Bo Shi wrote:
> > 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 -~----------~----~----~----~------~----~------~--~---
