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"""
OR lookups
To perform an OR lookup, or a lookup that combines ANDs and ORs, combine
``QuerySet`` objects using ``&`` and ``|`` operators.
Alternatively, use positional arguments, and pass one or more expressions of
clauses using the variable ``django.db.models.Q``.
"""
from django.db import models
class Article(models.Model):
headline = models.CharField(max_length=50)
pub_date = models.DateTimeField()
class Meta:
ordering = ('pub_date',)
def __str__(self):
return self.headline
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