Nope, seems this is actually impossible (at least using manage.py shell), since it will load all of the models and hold references to them on initialization until termination, so the settings-definte backend is tied to BaseQuery forever :(
On Mar 17, 12:01 pm, Oliver Beattie <oli...@obeattie.com> wrote: > Thanks for your quick reply :) > > Basically, what I want to do has to apply to every query made to the > database, not just one query. Basically, I want to do a dry-run of > some things before doing them. Since MySQL doesn't support schema > alterations inside a transaction, I can't do it that way. > > I'm sadly bound to using the release version of Django… so will this > apply? > > On Mar 16, 10:25 pm, Alex Gaynor <alex.gay...@gmail.com> wrote: > > > > > On Mon, Mar 16, 2009 at 6:20 PM, Oliver Beattie <oli...@obeattie.com> wrote: > > > > Does anyone know if it's possible to switch the database backend in > > > Django at runtime (let's say I want to use dummy for something, but > > > then switch it back to the original after I'm done). > > > > Is this possible using django.db.load_backend or something (I'm > > > doubting it as I see there is some module-level code in there that > > > takes info directly from settings). > > > > I know it's a bit of a cardinal sin, but would altering settings at > > > runtime have any effect? Again probably no since there will still be > > > things pointing to the old backend instance, but worth a shot. > > > It sort of depends on what you're trying to do, if you want to work with a > > queryset using a different database you can do something like > > this:http://www.eflorenzano.com/blog/post/easy-multi-database-support-djan... > > for if you're using django trunk you can use django.db.load_backend > > and the new DatabaseWrapper constructor(which takes a dict of settings) to > > do it, instead of futzing with the global settings. > > > Alex > > > -- > > "I disapprove of what you say, but I will defend to the death your right to > > say it." --Voltaire > > "The people's good is the highest law."--Cicero --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~----------~----~----~----~------~----~------~--~---
