Django querysets are the primary abstraction for retrieving objects from Django's ORM system
Lets say if I have a model that has lots of fields, but I only care about a charfield. Lets …
django django-models django-querysetHow can I use contains and iexact Field lookups at the same query in Django? Like that .. casas = Casa.objects.…
python django django-querysetI'm trying to find a way to implement both a custom QuerySet and a custom Manager without breaking DRY. This …
django django-models django-queryset django-managersI have a model MyModel with a boolean field active Elsewhere, I am retrieving a queryset: qs = MyModel.Objects.filter(....) …
python django django-querysetBasically I need a graceful way to do the following:- obj1 = Model1.objects.select_related('model2').get(attribute1=…
django django-querysetDjango's QuerySet has two methods, annotate and aggregate. The documentation says that: Unlike aggregate(), annotate() is not a terminal clause. …
django django-querysetI'm trying to use an OR operator in the Django filter() function. Right now I have contactlist = Contact.objects.filter(…
django django-models django-querysetTrying to get a query where the Activity record is stale in my Solr Index. I want to check to …
django django-querysetI have to filter a queryset by a dynamic value (which can be None): may I simply write: filtered_queryset = …
django django-models django-queryset isnullI've tried prefetch_related() in django 1.4 from trunk and can't make it to prefetch reverse lookup. My simplified models (each …
django django-models django-queryset