Even if we ignore the infinite loop, selecting and updating every
single instance of Subject at every save() of a Subject, is horribly
wrong and inefficient on many levels.
Exactly what kind of functionality/logic were you trying to implement?
On Mar 10, 10:32 pm, Ali Rıza Keleş <ali.r.ke...@gmail.com> wrote:
> Hi all,
>
> I want to override saving of one of my models.
> After saving any record, I am trying to reorder them all.
>
> class Subject(models.Model):
> slug = models.SlugField(db_index=True, unique=True)
> name = models.CharField(max_length="120")
> order = models.CharField(blank = True, max_length="3")
>
> class Meta:
> ordering = ['order']
>
> def __unicode__(self):
> return u'%s' % (self.name)
>
> def __str__(self):
> return self.__unicode__()
>
> def save(self, *args, **kwargs):
> super(Subject, self).save(*args, **kwargs)
> self.makeOrder()
>
> def makeOrder(self):
> t = 10
> for i in Subject.objects.all().order_by('order'):
> i.order = t
> i.save()
> t += 10
>
> But here, It fails in a loop and give "maximum recursion depth exceeded"
> error.
>
> How can I do?
>
> Thanks..
>
> --
> Ali
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