I have this Model in django :
class Post(models.Model):
title = models.CharField(max_length=255)
category = models.CharField(max_length=255)
I would like to get the different values that are used in the category attribute.
For example, if we consider this db :
Post(title = "title 1", category="foo")
Post(title = "title 2", category="bar")
Post(title = "title 3", category="foo")
the query should give me ("foo", "bar")