![kikundi kwa tarehe na maadili ya SUM [duplicate]. Django](https://beecoder.org/sw/django/group-by-dates-and-sum-values-duplicate-in-django/1_9x1.jpg)
+---------------------+-----------+ | datetime | data | +---------------------+-----------+ | 2013-07-26 13:00:00 | 489 | | 2013-07-26 14:00:00 | 2923 | | 2013-07-26 15:00:00 | 984 | | 2013-07-26 16:00:00 | 2795 | | 2013-07-26 17:00:00 | 1308 | | 2013-07-26 18:00:00 | 1365 | | 2013-07-26 19:00:00 | 1331 | | 2013-07-26 20:00:00 | 914 | | 2013-07-26 21:00:00 | 919 | | 2013-07-26 22:00:00 | 722 | | 2013-07-26 23:00:00 | 731 | +---------------------+-----------+
Python
xxxxxxxxxxfrom django.db.models import Sumvalues = self.model.objects.filter( datetime__range=(self.dates[0], self.dates[1])).values('datetime').annotate(data_sum=Sum('data'))
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