Tom, How does he do that? Sent from my BlackBerry wireless device from MTN
-----Original Message----- From: Tom Evans <tevans...@googlemail.com> Sender: django-users@googlegroups.com Date: Mon, 14 Feb 2011 17:25:58 To: <django-users@googlegroups.com> Reply-To: django-users@googlegroups.com Subject: Re: Model Codng/Model Usage Pitfall? On Mon, Feb 14, 2011 at 5:21 PM, hank23 <hversem...@stchas.edu> wrote: > I have coded a table which looks like this: > > class Comment(models.Model): > title = models.CharField(max_length=1,choices=TITLE_CHOICES) > firstname = models.CharField(max_length=15) > lastname = models.CharField(max_length=25) > commenttext = models.CharField(max_length=500) > emailaddress = models.CharField(max_length=30) > commentdate = models.DateTimeField() > > and when I try to save a new entry to it like this: > > newtitle = form.cleaned_data['title'] > newfirstname = form.cleaned_data['firstname'] > newlastname = form.cleaned_data['lastname'] > newcommenttext = form.cleaned_data['commenttext'] > newemailaddress = form.cleaned_data['emailaddress'] > newcommentdate = form.cleaned_data['commentdate'] > newcomment = Comment(title=newtitle, > firstname=newfirstname, lastname=newlastname, > commenttext=newcommenttext, emailaddress=newemailaddress, > commentdate=newcommentdate) > newcomment.save() > > I'm getting this error: > > DatabaseError at /polls/addcomment/ > table polls_comment has no column named emailaddressRequest Method: > POST > Request URL: http://127.0.0.1:8000/polls/addcomment/ > Django Version: 1.2.4 > Exception Type: DatabaseError > Exception Value: table polls_comment has no column named emailaddress > Exception Location: C:\Python27\lib\site-packages\django\db\backends > \sqlite3\base.py in execute, line 200 > Python Executable: C:\Python27\python.exe > Python Version: 2.7.1 > Python Path: ['C:\\Users\\hversemann\\djangoprojects\\mysite', 'C:\ > \Python\\Lib', 'C:\\Python\\Lib\\site-packages', 'C:\\Users\\hversemann > \\Desktop\\PythonSourceFiles', 'C:\\Users\\hversemann\\djangoprojects\ > \mysite', 'C:\\WINDOWS\\system32\\python27.zip', 'C:\\Python27\\DLLs', > 'C:\\Python27\\lib', 'C:\\Python27\\lib\\plat-win', 'C:\\Python27\\lib\ > \lib-tk', 'C:\\Python27', 'C:\\Python27\\lib\\site-packages'] > Server time: Mon, 14 Feb 2011 11:19:06 -0600 > > which is obviously wrong. So why does django not think I have that > field defined? Thanks in advance for the help. > > > Django does not take care of maintaining the structure of your tables. If you change your model definition to add a new attribute, django will not update your database to add the new column to your table, you must do it manually. Cheers Tom -- You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com. To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/django-users?hl=en. -- You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com. To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/django-users?hl=en.
