Please sorry am new to django, if u could further explain it to me. Thanks On Jul 6, 2018 11:39 AM, "Anirudh choudhary" <anirudhchoudary...@gmail.com> wrote:
> Add on_delete = models.CASCADE > EVERY WHERE YOU ARE USING FOREIGN KEY > > On Fri, 6 Jul 2018, 4:43 p.m. Umar Kambala, <umarkamb...@gmail.com> wrote: > >> please this the error i got when i run python manage.py makemigrations >> >> File "C:\Users\Admin\AppData\Local\Programs\Python\Python36-32\ >> lib\site-packages\django\core\management\__init__.py", line 371, in >> execute_from_command_line >> utility.execute() >> File "C:\Users\Admin\AppData\Local\Programs\Python\Python36-32\ >> lib\site-packages\django\core\management\__init__.py", line 347, in >> execute >> django.setup() >> File "C:\Users\Admin\AppData\Local\Programs\Python\Python36-32\ >> lib\site-packages\django\__init__.py", line 24, in setup >> apps.populate(settings.INSTALLED_APPS) >> File "C:\Users\Admin\AppData\Local\Programs\Python\Python36-32\ >> lib\site-packages\django\apps\registry.py", line 112, in populate >> app_config.import_models() >> File "C:\Users\Admin\AppData\Local\Programs\Python\Python36-32\ >> lib\site-packages\django\apps\config.py", line 198, in import_models >> self.models_module = import_module(models_module_name) >> File >> "C:\Users\Admin\AppData\Local\Programs\Python\Python36-32\lib\importlib\__init__.py", >> line 126, in import_module >> return _bootstrap._gcd_import(name[level:], package, level) >> File "<frozen importlib._bootstrap>", line 994, in _gcd_import >> File "<frozen importlib._bootstrap>", line 971, in _find_and_load >> File "<frozen importlib._bootstrap>", line 955, in >> _find_and_load_unlocked >> File "<frozen importlib._bootstrap>", line 665, in _load_unlocked >> File "<frozen importlib._bootstrap_external>", line 678, in exec_module >> File "<frozen importlib._bootstrap>", line 219, in >> _call_with_frames_removed >> File "C:\Users\Admin\Desktop\Django Web\myproject\boards\models.py", >> line 10, in <module> >> class Topic (models.Model): >> File "C:\Users\Admin\Desktop\Django Web\myproject\boards\models.py", >> line 13, in Topic >> board = models.ForeignKey(Board, related_name='topics') >> TypeError: __init__() missing 1 required positional argument: 'on_delete' >> >> >> this are the codes >> >> from django.db import models >> from django.contrib.auth.models import User >> >> >> class Board(models.Model): >> name = models.CharField(max_length=30, unique=True) >> description = models.CharField(max_length=100) >> >> >> class Topic (models.Model): >> subject = models.CharField(max_length=255) >> last_updated = models.DateTimeField() >> board = models.ForeignKey(Board, related_name='topics') >> starter = models.ForeignKey(User, related_name='topics') >> >> >> class Post(models.Model): >> message = models.TextField(max_length=4000) >> topic = models.ForeignKey(Topic, related_name='posts') >> created_at = models.DateTimeField(auto_now_add=True) >> updated_at = models.DateTimeField(null=True) >> created_by = models.ForeignKey(User, related_name='posts') >> updated_by = models.ForeignKey(User, null=True, related_name='+') >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Django users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to django-users+unsubscr...@googlegroups.com. >> To post to this group, send email to django-users@googlegroups.com. >> Visit this group at https://groups.google.com/group/django-users. >> To view this discussion on the web visit https://groups.google.com/d/ >> msgid/django-users/CAPkbFbaHq8Mgz_ZLnmC1EWQmT7FodSbEaWnd7buTcRR8 >> 5aYTSg%40mail.gmail.com >> <https://groups.google.com/d/msgid/django-users/CAPkbFbaHq8Mgz_ZLnmC1EWQmT7FodSbEaWnd7buTcRR85aYTSg%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> For more options, visit https://groups.google.com/d/optout. >> > -- > You received this message because you are subscribed to the Google Groups > "Django users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to django-users+unsubscr...@googlegroups.com. > To post to this group, send email to django-users@googlegroups.com. > Visit this group at https://groups.google.com/group/django-users. > To view this discussion on the web visit https://groups.google.com/d/ > msgid/django-users/CAL8_rkHSc6Y64G_vNqmyFmTj_Nw0% > 2BROKrvnED-c%3D3A6WbGJHjA%40mail.gmail.com > <https://groups.google.com/d/msgid/django-users/CAL8_rkHSc6Y64G_vNqmyFmTj_Nw0%2BROKrvnED-c%3D3A6WbGJHjA%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Django users" group. 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