In a project I have
class Scheda(models.Model):
referente = models.ForeignKey(User,related_name="schede", editable=False)
and I can use:
User.objects.distinct().filter(schede__isnull=False):
in another I have
class Notizia(models.Model):
edizione = models.ForeignKey(Edizione, related_name="notizie",
default=ultima_edizione)
and
Edizione.objects.distinct().filter(schede__isnull=False).order_by('-id')[0]
returns
FieldError: Cannot resolve keyword 'notizie' into field. Choices are:
id, nome, slug
so I must use:
for edizione in Edizione.objects.distinct().order_by('-id'):
if edizione.notizie.count() > 0:
ultima_edizione = edizione
and it works
do you know where is the problem?
--
Alessandro Ronchi
Skype: aronchi
http://www.alessandroronchi.net
SOASI Soc.Coop. - www.soasi.com
Sviluppo Software e Sistemi Open Source
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Tel.: +39 0543 798985 - Fax: +39 0543 579928
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