PYTHON

merge two query sets django

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

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 Querysets in Python Django while preserving Queryset methods

stories = django_stories | vitor_stories  # merge querysets

How to combine two or more querysets in a Django view?

## GITHUB URL: https://stackoverflow.com/questions/431628/how-can-i-combine-two-or-more-querysets-in-a-django-view

from itertools import chain
result_list = list(chain(page_list, article_list, post_list))

add or combine two querysets django

matches = pages | articles | posts

#It retains all the functions of the querysets which is nice if you want to order_by or similar.
#Please note: this doesn't work on querysets from two different models.