/Python/Fetching data from multiple tables using related name in django

Fetching data from multiple tables using related name in django

from App.models import Student, Subject
def myFunc():
    students = Student.objects.all()
    for student in students:
        subj = student.subject.sub

def myFunc2():
    subjects = Subject.objects.all()
    for subject in subjects:
        student_name = subject.student.nm

Source: stackoverflow.com

Fetching data from multiple tables using related name in django

Order.objects.select_related('account_customer').all() \
    .values('customer_id', 'other_field_1', ...) \
    .annotate(total_sales=Sum('total_price')) \
    .filter(created_at__year=today.year, created_at__month=today.month)

Source: stackoverflow.com

Similar codes

3 votes214 views1 answer
Extended euclidean python
Python
18 votes223 views6 answers
Get last element of array python
Python
0 vote214 views1 answer
Pickle.load from gpu device to cpu
Python
0 vote218 views1 answer
Python close database connection
Python
3 votes239 views1 answer
Email authentication python
Python
0 vote258 views1 answer
Use if a not trusted message will come up
Python
1 vote223 views1 answer
Split string form url last slash
Python
8 votes216 views2 answers
Jupyter read excel
Python
-1 vote214 views1 answer
Show all text contained in a line pandaq
Python
0 vote315 views1 answer
Sort values within groups pandas dataframe
Python