Answers for "Django query"

6

q django

from django.db.models import Q

Q(question__startswith='Who') | Q(question__startswith='What')
Posted by: Guest on February-10-2020
0

how to check if given primary key exists in django model

If using the object ---
try:
   obj = model1.objects.get(pk=20)
except DoesNotExist:
   ###do something####
    
Else ----
if model1.objects.filter(pk=20).exists():
   ###do something###
else:
  ###do otherthing###
Posted by: Guest on April-29-2020
1

or in django query

from django.db.models import Q
User.objects.filter(Q(income__gte=5000) | Q(income__isnull=True))
Posted by: Guest on June-26-2020
3

django objects.create()

SomeModel.objects.create(firstname='ricky', lastname='ticky')
Posted by: Guest on January-21-2021
4

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'})
Posted by: Guest on May-29-2020
7

objects.filter django

>>> Entry.objects.filter(blog_id=4)
Posted by: Guest on September-03-2020

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