Top "Django-queryset" questions

Django querysets are the primary abstraction for retrieving objects from Django's ORM system

How to filter a django queryset using an array on a field like SQL's "IN"?

I'd like to filter a Django queryset using an array as a constraint on a field. AKA, my array, for …

django django-queryset
How to use select_for_update to 'get' a Query in Django?

As the Django Documentation says, select_for_update returns a Queryset. But get does not. Now I have a query …

python django django-queryset
Count number of records by date in Django

I have a model similar to the following: class Review(models.Model): venue = models.ForeignKey(Venue, db_index=True) review = …

python django django-models django-queryset
Django orm get latest for each group

I am using Django 1.6 with Mysql. I have these models: class Student(models.Model): username = models.CharField(max_length=200, unique = …

python django django-queryset django-orm
Django object multiple exclude()

Is there a way to do a query and exclude a list of things, instead of calling exclude multiple times?

django django-queryset
Django equivalent of COUNT with GROUP BY

I know Django 1.1 has some new aggregation methods. However I couldn't figure out equivalent of the following query: SELECT player_…

python sql django django-queryset django-aggregation
Django Query __isnull=True or = None

this is a simple question. I'd like to know if it is the same to write: queryset = Model.objects.filter(…

django django-models django-queryset
Django Inner Join Queryset

I'm working with Django and I need to do a queryset using two inner joins. I have three models A, …

python django inner-join django-queryset
Howto merge 2 Django QuerySets in one and make a SELECT DISTINCT

models.py class SinglePoint(models.Model): attributes = models.TextField(blank=True) name = models.CharField(max_length=100) geom = models.PointField() #Kartenposition …

django distinct geodjango django-queryset
Django filter the model on ManyToMany count?

Suppose I have something like this in my models.py: class Hipster(models.Model): name = CharField(max_length=50) class Party(…

django django-models django-queryset