/Python/Django/Join two querysets django

Join two querysets django

# you need to have a foreign key relationship defined in the models.py first 
class OrderModelName(models.Model):
  	order_id = models.IntegerField(primary_key=True,  db_column='order_id')
	item_id = models.ForeignKey(ItemModelName, db_column='item_id', on_delete=models.RESTRICT, null=True, blank=True)
# Then in views.py you can pull in foreign fields in your queryset using 
# foreignkeyfield__fieldonforeigntable Example:
def your_view(request):
	data = OrderModelName.objects.all().values(order_id, item_id__item_name)

Merge two query sets django

querySet1.union(querySet2, querySet3, etc) #Minimum 1 argument # Subscribe to GuruTheCoder.

Similar codes

0 vote216 views4 answers
"%(class)s" in django
Python Django
10 votes213 views4 answers
Django q objects
Python Django
0 vote284 views1 answer
Django force download file
Python Django
0 vote157 views1 answer
Django x-frame-options allowall
Python Django
0 vote173 views1 answer
Create django model field based on another field
Python Django
0 vote172 views1 answer
Login views django template passing
Python Django
4 votes181 views1 answer
Django pandas queryset
Python Django
0 vote168 views1 answer
Django.core.exceptions.ImproperlyConfigured: Application labels aren't unique, duplicates: auth
Python Django
0 vote181 views1 answer
Remove last comma forloop django
Python Django
0 vote170 views1 answer
Server error 500 heroku django
Python Django