On Fri, Jan 23, 2009 at 4:19 PM, Piotr Husiatyński
<[email protected]> wrote:
>
> On 18 Sty, 12:06, Malcolm Tredinnick <[email protected]> wrote:
>> Wait a few days until ticket #7210 is resolved and you'll be able to use
>> references to other fields as rhs values in filters. The work for that
>> is nearly complete, so it's pretty close to being committed. I'm fairly
>> sure that will help you there.
>
> You mean #7210 http://code.djangoproject.com/ticket/7210 : "Added
> expression support for QuerySet.update"
> How that could solve my problem?
#7210 gives you the ability to reference a field as the 'value' part
of a filter clause. So in your case, you could do something like:
Thread.objects.filter(latest_post_date__gt=F('visted_date")
to get all the objects where the latest post is after the visited date.
Yours
Russ Magee %-)
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