diff options
Diffstat (limited to 'archaeological_warehouse/models.py')
| -rw-r--r-- | archaeological_warehouse/models.py | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/archaeological_warehouse/models.py b/archaeological_warehouse/models.py index c9405fa37..31588cde2 100644 --- a/archaeological_warehouse/models.py +++ b/archaeological_warehouse/models.py @@ -819,10 +819,9 @@ class Container(DocumentItem, LightHistorizedItem, QRCodeItem, GeoItem, def pre_save(self): if not self.index and self.responsible_id: - q = Container.objects.filter(responsible=self.responsible).order_by( - '-index') + q = Container.objects.filter(responsible=self.responsible) if q.count(): - self.index = q.all()[0].index + 1 + self.index = int(q.aggregate(Max("index"))["index__max"]) + 1 else: self.index = 1 |