django database query and condition code example

Example 1: query with condition django

from django.db.models import Q
User.objects.filter(Q(income__gte=5000) | Q(income__isnull=True))

Example 2: and in django query filter

Blog.objects.filter(entry__headline__contains='Lennon', entry__pub_date__year=2008)

Example 3: objects.filter django

>>> Entry.objects.filter(blog_id=4)