On Sep 17, 1:04 pm, andreas schmid <a.schmi...@gmail.com> wrote:
> hi,
>
> i have 3 models topic, project, technology. a topic contains projects
> and projects have technolgies.
> the 3 models are related to each other by foreignkeys in the project model.
>
> in the topic detail view i need to have the projects within the given
> topic which works with a wrapper around the object_detail view (generic)
> wich topic.projects_set.all() and a for loop in the template.
>
> i get the technologies for the projects too like this:
>
> {% for project in object_list %}
> {% for technology in project.technologies.all %}
> <a href="{{ technology.get_absolute_url }}">{{
> technology.title }}</a>
> {% if forloop.last %}{% else %}
> {% ifequal forloop.revcounter0 1 %}and {% else %}, {%
> endifequal %}
> {% endif %}
> {% endfor %}
> {% endfor %}
>
> but of course the same technology shows up multiple times if more
> projects use the same technology.
> how can i get the technologies as a distinct list?
>
> do i have to get the queryset in the view? (if yes how?) o
> r is there a way to get distinct results also in a template?
Use distinct(), not all() (which evidently works in templates well for
any queryset).
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