11👍
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There aren’t strictly asynchronous operations as you’ve described, but I think you can achieve the same effect by using django’s in_bulk query operator, which takes a list of ids to query.
Something like this for the urls.py
:
urlpatterns = patterns('',
(r'^compare/(\d+)/(\d+)/$', 'my.compareview'),
)
And this for the view:
def compareview(request, id1, id2):
# in_bulk returns a dict: { obj_id1: <MyModel instance>,
# obj_id2: <MyModel instance> }
# the SQL pulls all at once, rather than sequentially... arguably
# better than async as it pulls in one DB hit, rather than two
# happening at the same time
comparables = MyModel.objects.in_bulk([id1, id2])
o1, o2 = (comparables.get(id1), comparables.get(id2))
Source:stackexchange.com