Hi,

I created a ticket:

https://code.djangoproject.com/ticket/17156

{{{
The documentation should explain what happens in this code:

if obj in queryset:
    ....

If queryset is huge, the above code can be very slow.

If you want to run the code in the database, you should use this:

if queryset.filter(pk=obj.pk).exists():
    ....

Related discussion:  
http://groups.google.com/group/django-users/browse_thread/thread/5a8196ff1086f4ae/530548a127a6e3ca

Can someone please provide a patch for the documentation. I am not a native 
speaker, and won't find the right words.
}}}


-- 
Thomas Guettler, http://www.thomas-guettler.de/
E-Mail: guettli (*) thomas-guettler + de

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