Re: Why can't "directly" change array elements of model objects in Django shell?

On Fri, Oct 7, 2011 at 10:01 PM, Chris Seberino <cseberino@gmail.com> wrote:
>
>
> On Oct 7, 10:39 am, Jacob Kaplan-Moss <ja...@jacobian.org> wrote:
>> On Fri, Oct 7, 2011 at 10:30 AM, Chris Seberino <cseber...@gmail.com> wrote:
>>
>> > I've noticed that this doesn't often work in Django shell...
>>
>> > x = MyModel.objects.all()
>> > x[3].some_field = "new value"
>> > x[3].save()
>
>> This is because `MyModel.objects.all()` isn't a list; it's a QuerySet.
>> That is, `MyModel.objects.all()` *doesn't* hit the database until you
>> say `x[3]`, at which point Django performs a query with a LIMIT and
>
> OK.  I understand.  What is easiest way then to *force* my x[3] code
> above to hit the database so that
> my changes are permanent?

x = list(MyModel.objects.all())
x[3].some_field = "new value"
x[3].save()

Cheers

Tom

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