Re: How to query in multiple tables?

>If you don't want to do that, just construct one queryset for each model
>and then join the results together in Python. You get to decide which
>trade-off you prefer: more queries and simpler code (appropriate if you
>have only a few models and/or not many results) or fewer queries and
>more complex Python code.

Queryset is not a list?

I can't use the extend() method. -->

    from django.db.models.loading import get_app, get_models
    ...
    model_list = get_models(get_app('myapp'))
    resultset = []
    for model in model_list:
        resultset_tmp=model.objects.filter(part_number__icontains = q)
        resultset.extend(resultset_tmp)

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