> Order matters when it comes to annotation. Read this section very
> carefully:http://docs.djangoproject.com/en/dev/topics/db/aggregation/#order-of-...
Off course order matters, but in this case annotate adds some extra
field to each Rezerwacja object which is irrelevant to dates grouping
- the
On Sep 28, 12:08 pm, dPeS wrote:
> Hi all,
>
> Anyone has explanation to this? :
>
> >>> len(models.Rezerwacja.objects.all())
> 9
> >>> len(models.Rezerwacja.objects.annotate(przyjazd=Min('transza__zajetosc__dzien')))
> 9
> >>>
Hi all,
Anyone has explanation to this? :
>>> len(models.Rezerwacja.objects.all())
9
>>> len(models.Rezerwacja.objects.annotate(przyjazd=Min('transza__zajetosc__dzien')))
9
>>> models.Rezerwacja.objects.annotate(przyjazd=Min('transza__zajetosc__dzien')).dates('utworzona','year')
3 matches
Mail list logo