how to update data in FK fields another Model

Hi, i need update a fields the other model i have FK relation ok this is my code ModelA(models.Model): name=charfield(...) field_count = integerfield() . ModelB(models.Model): fk_name = FK(ModelA, related_name='models_a') # other fields def save(self, *args, **

Re: how to update data in FK fields another Model

I think the argument to the F object should be just the name of the field on ModelA: product.field_count = F('field_count') + 1 Other than that, there are a few weird things about the code, for example: product = ModelA.objects.get(id=self.fk_name.id) Why not just use product = sel

Re: how to update data in FK fields another Model

Hi, @Vijay you suggestion not working no increment the field_count :/ any other idea Cheers On Thu, Oct 16, 2014 at 2:44 PM, Vijay Khemlani wrote: > I think the argument to the F object should be just the name of the field > on ModelA: > > product.field_count = F('field_count') + 1 > > Othe

Re: how to update data in FK fields another Model

Well, you can start trying by changing some lines, for example product.field_count += 1 (I know it is less efficient and does not consider race conditions, but we need to identify the problem) You can also try executing the save without the update_fields param. Finally, if you're using Django D

Re: how to update data in FK fields another Model

Hi, Would this work? ModelA.objects.filter(id=self.fk_name_id).update(field_count=F('field_count') + 1) Collin -- 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 t

Re: how to update data in FK fields another Model

+Collin Thank this is working perfects :) Cheers On Thu, Oct 16, 2014 at 3:31 PM, Collin Anderson wrote: > Hi, > > Would this work? > > ModelA.objects.filter(id=self.fk_name_id).update(field_count=F('field_count') > + 1) > > Collin > > -- > You received this message because you are subscribed