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what is values_list in django orm

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Enthusiastic Elephant answered on November 12, 2020 Popularity 10/10 Helpfulness 5/10

answer what is values_list in django orm

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 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: 0.011166254281997681

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Source: stackoverflow.com

Tags: django-orm python

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Contributed on Nov 12 2020

Enthusiastic Elephant

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>>> list(Article.objects.values_list('id', flat=True)) # flat=True will remove the tuples and return the list   
[1, 2, 3, 4, 5, 6]

>>> list(Article.objects.values('id'))
[{'id':1}, {'id':2}, {'id':3}, {'id':4}, {'id':5}, {'id':6}]

Popularity 9/10 Helpfulness 5/10 Language python

Source: stackoverflow.com

Tags: django dj

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Contributed on Jun 25 2022

Blessed Sam

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value list in django

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>>> qs1 = Author.objects.values_list('name')
>>> qs2 = Entry.objects.values_list('headline')
>>> qs1.union(qs2).order_by('name')

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Source: docs.djangoproject.com

Tags: django dj

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Contributed on Dec 03 2021

biswajit

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Django values_list

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-2

Cannot resolve keyword 'lyrics' into field. Choices are: id, song, song_id

Popularity 10/10 Helpfulness 1/10 Language python

Source: Grepper

Tags: django dj

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Contributed on Jul 08 2021

Annoying Ape

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what is values_list in django orm

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