Answers for "django queryset"

4

django pandas queryset

import pandas as pd
import datetime
from myapp.models import BlogPost

df = pd.DataFrame(list(BlogPost.objects.all().values()))
df = pd.DataFrame(list(BlogPost.objects.filter(date__gte=datetime.datetime(2012, 5, 1)).values()))

# limit which fields
df = pd.DataFrame(list(BlogPost.objects.all().values('author', 'date', 'slug')))
Posted by: Guest on June-07-2020
1

django order by

Entry.objects.filter(pub_date__year=2005).order_by('-pub_date', 'headline')
Posted by: Guest on June-12-2020
2

pass in queryset as filter django

users = UserClasses.objects.filter(class_id=data['class_id'])
user_details = User.objects.filter(id__in=users.values_list('id', flat=True))
Posted by: Guest on May-05-2020
1

django order by

class Meta:
        ordering = ('date',)
Posted by: Guest on October-24-2020
7

objects.filter django

>>> Entry.objects.filter(blog_id=4)
Posted by: Guest on September-03-2020
0

django queryset exists

if some_queryset.exists():
    print("There is at least one object in some_queryset")
Posted by: Guest on December-22-2020

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