As far as I know it's for the life the the queryset variable. So if
you create a queryset at module level, it lasts until the module is
reloaded. If you define a queryset in one of your views it will hit
the database everytime that view function is accessed.
QS1=Model.objects.all()
def view(request):
qs2=Model.objects.all()
return render_to _response('tmpl.html',{'old': QS1, 'new': qs2})
At the first request, both querysets will print the same thing. If
you update the database and hit the view, they should show different
results.
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