Hi,
I've got a master-detail relationship that I'm trying to get working in
the Admin interface. My models are as follows:
class Account(meta.Model):
name = meta.CharField(maxlength=100, null=False, unique=True)
email = meta.EmailField(null=False)
password = meta.CharField(maxlength=100, null=False)
created_on = meta.DateTimeField(auto_now_add=True)
updated_on = meta.DateTimeField(auto_now=True)
class META:
get_latest_by = 'updated_on'
admin = meta.Admin(
fields = (
(None, {'fields': ('name', 'email', 'password')}),
),
list_display = ('name', 'email', 'created_on',
'updated_on'),
)
def __repr__(self):
return self.name
class Project(meta.Model):
name = meta.CharField(maxlength=100, null=False, core=True)
account = meta.ForeignKey(Account, null=False,
edit_inline=meta.TABULAR, num_in_admin=3)
created_on = meta.DateTimeField(auto_now_add=True)
updated_on = meta.DateTimeField(auto_now=True)
class META:
get_latest_by = 'updated_on'
def __repr__(self):
return self.name
When I perform the following steps:
1. Create a new account
2. Add a project to the account
3. Hit "Save"
It works. But when I go back into the "Account" detail page and add
another "Project" object it fails complaining about the "CREATED_ON"
column being null. The stacktrace looks like this:
Traceback (most recent call last):
File
"d:\python24\lib\site-packages\Django-0.91-py2.4.egg\django\core\handlers\base.py"
in get_response
74. response = callback(request, *callback_args, **callback_kwargs)
File
"d:\python24\lib\site-packages\Django-0.91-py2.4.egg\django\contrib\admin\views\decorators.py"
in _checklogin
54. return view_func(request, *args, **kwargs)
File
"d:\python24\lib\site-packages\Django-0.91-py2.4.egg\django\contrib\admin\views\main.py"
in change_stage
487. new_object = manipulator.save(new_data)
File
"d:\python24\lib\site-packages\Django-0.91-py2.4.egg\django\utils\functional.py"
in _curried
3. return args[0](*(args[1:]+moreargs), **dict(kwargs.items() +
morekwargs.items()))
File
"d:\python24\lib\site-packages\Django-0.91-py2.4.egg\django\core\meta\__init__.py"
in manipulator_save
1869. new_rel_obj.save()
File
"d:\python24\lib\site-packages\Django-0.91-py2.4.egg\django\utils\functional.py"
in _curried
3. return args[0](*(args[1:]+moreargs), **dict(kwargs.items() +
morekwargs.items()))
File
"d:\python24\lib\site-packages\Django-0.91-py2.4.egg\django\core\meta\__init__.py"
in method_save
1007. db_values + [pk_val])
File
"d:\python24\lib\site-packages\Django-0.91-py2.4.egg\django\core\db\base.py"
in execute
10. result = self.cursor.execute(sql, params)
File
"d:\python24\lib\site-packages\Django-0.91-py2.4.egg\django\core\db\backends\mysql.py"
in execute
32. return self.cursor.execute(sql, params)
File "D:\Python24\Lib\site-packages\MySQLdb\cursors.py" in execute
137. self.errorhandler(self, exc, value)
File "D:\Python24\Lib\site-packages\MySQLdb\connections.py" in
defaulterrorhandler
33. raise errorclass, errorvalue
OperationalError at /admin/organizer/accounts/2/
(1263, "Column set to default value; NULL supplied to NOT NULL column
'created_on' at row 1")
Any ideas ?
Many thanks folks,
Ijonas Kisselbach.
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