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from django.db import connection
from django.db.models import Sum,Count
#alarm_sum_group_items = models.FILE_PROTECT_ALARM.objects.filter(**condition).values('customer_id').annotate(alarm_sum=Sum('cmn_merge_count'))
select = {'day': connection.ops.date_trunc_sql('day', 'cmn_alert_time')}
alarm_sum_group_items = models.FILE_PROTECT_ALARM.objects.filter(**condition).extra(select=select).values('day').annotate(sum=Sum('cmn_merge_count'))
#serializer = serializers.FILE_PROTECT_ALARM_Serializer(file_protect_alarm_list, many=True)
#data = {}
#data['items'] = serializer.data
'''for item in data['items']:
item['svc_profile_list'] = json.loads(item['svc_profile_list'])
#item['info'] = json.loads(item['info'])'''
#data['total'] = total
for item in alarm_sum_group_items:
item['day'] = time.mktime(item['day'].timetuple())
return APIResponse(status=status_code.success, data=alarm_sum_group_items)
推荐:
http://www.360doc.com/content/14/0430/17/16044571_373542312.shtml
http://stackoverflow.com/questions/8746014/django-group-by-date-day-month-year
http://stackoverflow.com/questions/3543379/django-annotate-groupings-by-month
参考资料:
http://www.360doc.com/content/14/0430/17/16044571_373542312.shtml
http://blog.csdn.net/shanliangliuxing/article/details/7927899
http://www.thinksaas.cn/ask/question/23626/