sankalpjonn

from django.db import models

from django.contrib.auth.models import User
from django.db import models, transaction

class Account(models.Model):
    balance = models.IntegerField(default=0)
    user = models.ForeignKey(User)
    
    def get_queryset(self):

sankalpjonn

from django.db import models

from django.contrib.auth.models import User
from django.db import models, transaction

class Account(models.Model):
    balance = models.IntegerField(default=0)
    user = models.ForeignKey(User)
    
    def deposit(self, amount):

sankalpjonn

from rest_framework import generics
from django.shortcuts import get_object_or_404

class RecordRetrieveView(generics.RetrieveAPIView):
    serializer_class = RecordSerializer

    def get_object(self):
        return get_object_or_404(Record, id=self.request.query_params['id'])

sankalpjonn

from rest_framework import generics
from .models import Record
from django.http import Http404


class RecordRetrieveView(generics.RetrieveAPIView):
    serializer_class = RecordSerializer

    def get_object(self):
        try:

sankalpjonn

UPDATE "record"
SET    "name" = 'new record name'
WHERE  "record"."id" = 1 

sankalpjonn

>>> record = Record.objects.get(id=1)
>>> record.name = "new record name"
>>> record.save(update_fields=['name'])

sankalpjonn

>>> record = Record.objects.get(id=1)
>>> record.name = "new record name"
>>> record.save()

sankalpjonn

UPDATE "record"
SET    "name" = 'new record name',
       "created_at" = '2021-06-12T15:09:05.019020+00:00' :: timestamptz,
       "is_deleted" = FALSE
WHERE  ""id" = 1 

sankalpjonn

>>> record = Record.objects.get(id=1)
>>> record.name = "new record name"
>>> record.save()

sankalpjonn

from django.db import models

class Country(models.Model):
    name = models.CharField(max_length=255)
    total_population = models.IntegerField()
    
class Person(models.Model):
    full_name = models.CharField(max_length=255)
    first_dose_received_on = models.DateTimeField(null=True, blank=True)
    second_dose_received_on = models.DateTimeField(null=True, blank=True)