django q objects
from django.db.models import Q
obj, created = Person.objects.filter(
Q(first_name='Bob') | Q(first_name='Robert'),
).get_or_create(last_name='Marley', defaults={'first_name': 'Bob'})django q objects
from django.db.models import Q
obj, created = Person.objects.filter(
Q(first_name='Bob') | Q(first_name='Robert'),
).get_or_create(last_name='Marley', defaults={'first_name': 'Bob'})filtering objects in django templates
@register.filter
def in_category(things, category):
return things.filter(category=category)
{% for category in categories %}
{% for thing in things|in_category:category %}
{{ thing }}
{% endfor %}
{% endfor %}objects.filter django
>>> Entry.objects.filter(blog_id=4)filtering objects in django templates
{% for category in categories %}
{% for thing in things|in_category:category %}
{{ thing }}
{% endfor %}
{% endfor %}django 3.0 queryset examples
>>> Entry.objects.filter(
... headline__startswith='What'
... ).exclude(
... pub_date__gte=datetime.date.today()
... ).filter(
... pub_date__gte=datetime.date(2005, 1, 30)
... )Copyright © 2021 Codeinu
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