what is values_list in django orm
Test.objects.all() time: 0.010061947107315063
Test.objects.all().values('first') time: 0.00578328013420105
Test.objects.all().values_list('first') time: 0.005257354974746704
Test.objects.all().values_list('first', flat=True) time: 0.0052023959159851075
Test.objects.all().only('first') time: 0.011166254281997681query set
A QuerySet is a list of a dictionary of objects in your database.Django values_list
Cannot resolve keyword 'lyrics' into field. Choices are: id, song, song_iddjango queryset count
# Returns the total number of entries in the database.
count = Entry.objects.count()
# Returns the number of entries whose headline contains 'Lennon'
count = Entry.objects.filter(headline__contains='Lennon').count()Copyright © 2021 Codeinu
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