django1/tests/modeltests/ordering/models.py

27 lines
800 B
Python

"""
6. Specifying ordering
Specify default ordering for a model using the ``ordering`` attribute, which
should be a list or tuple of field names. This tells Django how to order
``QuerySet`` results.
If a field name in ``ordering`` starts with a hyphen, that field will be
ordered in descending order. Otherwise, it'll be ordered in ascending order.
The special-case field name ``"?"`` specifies random order.
The ordering attribute is not required. If you leave it off, ordering will be
undefined -- not random, just undefined.
"""
from django.db import models
class Article(models.Model):
headline = models.CharField(max_length=100)
pub_date = models.DateTimeField()
class Meta:
ordering = ('-pub_date', 'headline')
def __unicode__(self):
return self.headline