/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

0 vote194 views2 answers
Selenium delete cookies python
Python
0 vote189 views1 answer
Undef variable
Python
0 vote262 views1 answer
Reset Index & Retain Old Index as Column in pandas
Python
0 vote193 views1 answer
Conditional Statements to Skip Items enumerate python
Python
0 vote197 views2 answers
Mkvirtualenv python version
Python
2 votes202 views1 answer
Python use tqdm with concurrent futures
Python
0 vote201 views2 answers
Generate secret key python
Python
7 votes233 views6 answers
What does enumerate do in python
Python
1 vote182 views1 answer
Python print string name in pattern
Python
0 vote185 views1 answer
Numpy generlized ufunc
Python