I have a model that represents interdependent tasks. A task cannot be
started until all of its prerequisite tasks have been completed. I
want to find all the tasks which are ready to start, i.e. all their
prerequisite tasks (if any) have been completed. This is the relevant
part of the model:
On Wed, 2006-09-20 at 10:40 +1000, Malcolm Tredinnick wrote:
>
> Homework.objects.filter(course__in =
> list(classesjoined.all()))
>
> The list() call may be superfluous there, but I have a recollection
> that
> we don't handle iterators smoothly in filter() calls. I may be
>
On Tue, 2006-09-19 at 18:59 -0500, Gabriel Puliatti wrote:
> On Wed, 2006-09-20 at 09:35 +1000, Malcolm Tredinnick wrote:
> > It's possible that I've guessed at the missing details incorrectly. In
> > that case, could you give us an example of what "classesjoined" contains
> > (print it out;
On Wed, 2006-09-20 at 09:35 +1000, Malcolm Tredinnick wrote:
> It's possible that I've guessed at the missing details incorrectly. In
> that case, could you give us an example of what "classesjoined" contains
> (print it out; don't guess at what you think it should it be) and maybe
> show the
On Tue, 2006-09-19 at 17:41 -0500, Gabriel Puliatti wrote:
> Hello. I'm trying to get some database objects using objects.get.
> However, I only want to get those objects which match a certain
> manytomany. Is there a way to do this?
>
> For example, each student has multiple subjects and each
Hello. I'm trying to get some database objects using objects.get.
However, I only want to get those objects which match a certain
manytomany. Is there a way to do this?
For example, each student has multiple subjects and each homework has
one subject assigned to it. Then, there is a Subject
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