Thanks for the reply Alex, however I beleive I might have
miscommunicated the problem a big. The actual format of the daemon is
somewhat like this:-
1while True:
2 rs = Inqueue.objects.filter(processed = 0).order_by('-timestamp')
3 for item in rs:
4.1 processitem(item)
4.2 item.delete()
5 sleep
On Jun 26, 2:32 am, Alex Gaynor <alex.gay...@gmail.com> wrote:
> On Thu, Jun 25, 2009 at 3:31 PM, afrobeard <afrobe...@gmail.com> wrote:
>
> > I have a problem where I'm using Django, specifically the ORM in a non
> > web based daemon script to process some data from a site, by setting
> > the environment variables respectively so that it knows where the
> > settings module is, etc
>
> > I'm running the following query:-
>
> > Inqueue.objects.filter(processed = 0).order_by('-timestamp')
>
> > Now the thing is that it gets the right results the first time, but if
> > someone makes a change on the site that the script itself is unaware
> > of, it does not get new items that were added onto the site until the
> > script is restarted. It behaves as if it's using some caching system.
>
> > Everything works fine on an Ubuntu server, however not on windows
> > machines. I'm not sure why, the python and django versions are the
> > same on both systems.
>
> > Can anybody point me to what could be causing this behavior?
>
> > Thanks in advance
>
> When a queryset is iterated over it stores the data so if you iterate over
> the same queryset object again it doesn't do another DB query. If you want
> to iterate over a new one instead of the current one you can just do
> queryset.all() and then you won't be going through the cache.
>
> 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
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