Re: use of annotate in django query

Hi Eugene,

Please make Print(report.query) then you get SQL querys and Most of time i get an Idea what's wrong

Regards

Eugene TUYIZERE <eugenetuyizere@gmail.com> schrieb am Mi., 2. Juni 2021, 21:41:

Dear Team,

I need help. I am working on a project where one of the tables is about requests. I want to have a report of the number of requests on each day in the last 30 days, something like this:

I I used the code below just before displaying on the chart but the code gives me wrong information

def reqChart(request):

current_date = date.today()

days_before = date.today()-timedelta(days=30)

for dt in daterange(days_before,current_date):

reports = Customer_Requests.objects.filter(arrival_date__gte=dt).\

extra({'day':"date(arrival_date)"}).\

values('arrival_date').annotate(count=Count('request_name'))

print(reports)

And I need help

--

TUYIZERE Eugene

Msc Degree in Mathematical Science

African Institute for Mathematical Sciences (AIMS Cameroon)
Crystal Garden-Lime, Cameroon

Bsc in Computer Science

UR-Nyagatare Campus

Email: eugene.tuyizere@aims-cameroon.org

           eugenetuyizere@gmail.com

Tel: (+250) 7 88 26 33 38, (+250) 7 22 26 33 38

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