Answers for "create or update django orm"

create or update django models

obj, created = Person.objects.update_or_create(
    first_name='John', last_name='Lennon',
    defaults={'first_name': 'Bob'},
)
# If person exists with first_name='John' & last_name='Lennon' then update first_name='Bob'
# Else create new person with first_name='Bob' & last_name='Lennon'

update_or_create django

#if john is found in the query then update with defaults else
#create a new column with jhon and lennon

obj, created = Person.objects.update_or_create(
    first_name='John', last_name='Lennon',
    defaults={'first_name': 'Bob'},
)

update in django orm

# Update all the headlines with pub_date in 2007.
Entry.objects.filter(pub_date__year=2007).update(headline='Everything is the same')