Re: model referencing itself

[Aidas Bendoraitis]

I think, you will also need related_name parameter for your relating fields.

Regards,
Aidas Bendoraitis aka Archatas



On 1/5/07, Jorge Gajon <[EMAIL PROTECTED]> wrote:


Hi Aljosa,

On 1/4/07, Aljosa Mohorovic <[EMAIL PROTECTED]> wrote:
>
> i'm trying to create a model which referencing itself and for this
> code i get this error:
> "name 'Chapter' is not defined"
>
> how do i do this or something similar?
>
> code:
> >>>
> from django.db import models
>
> class Chapter(models.Model):
> name = models.CharField(maxlength=200)
> content = models.TextField()
> prev = models.OneToOneField(Chapter)
> next = models.OneToOneField(Chapter)
> <<<
>

Try with:
 prev = models.OneToOneField('self')
 next = models.OneToOneField('self')


Regards

>



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Re: model referencing itself

[Jorge Gajon]

Hi Aljosa,

On 1/4/07, Aljosa Mohorovic <[EMAIL PROTECTED]> wrote:


i'm trying to create a model which referencing itself and for this
code i get this error:
"name 'Chapter' is not defined"

how do i do this or something similar?

code:
>>>
from django.db import models

class Chapter(models.Model):
name = models.CharField(maxlength=200)
content = models.TextField()
prev = models.OneToOneField(Chapter)
next = models.OneToOneField(Chapter)
<<<



Try with:
prev = models.OneToOneField('self')
next = models.OneToOneField('self')


Regards

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RE: model referencing itself

[Chris Brand]

i'm trying to create a model which referencing itself 


The documentation says :
To create a recursive relationship -- an object that has a many-to-one
relationship with itself -- use models.ForeignKey('self').

Chris




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