the recipe is broken, please wait until i have time to fix it, thanks.
On Dec 8, 2011, at 11:27 AM, Michael Bayer wrote: > > On Dec 7, 2011, at 11:08 PM, kris wrote: > >> Hmm, I think I want the opposite behavior. I was the defualt mapper to >> Resource unless a more specific mapper has been defined. >> I never defined a 'C' or 'D' and I would like simple get a Resource when no >> better mapper is found. >> i.e. I get Resource class for C, D and get a Resource_A for A and a >> Resource_B for B. >> >> Is this possible? > > So you're looking for a row that has "C" or "D" in it to act as though it > were "default". As an easy feature, that is ticket #2238 set on the 0.8 > milestone. > > the workaround for now is to use column_property() in conjunction with a > case() statement, I've posted the recipe for that at > http://www.sqlalchemy.org/trac/wiki/UsageRecipes/CaseBasedPolymorphicOn . > > It will work in 0.7.3 but not in the current tip as there is a bug preventing > it from working. > > > >> >> -- >> You received this message because you are subscribed to the Google Groups >> "sqlalchemy" group. >> To view this discussion on the web visit >> https://groups.google.com/d/msg/sqlalchemy/-/FHmjireFL_EJ. >> 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. > > > -- > 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. -- 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.