Dear Suthar,
You saved my day. Once more, the chart is displayed but the date is not displayed on Xaxis. This how it is:
Th codes are:
def reqChart(request):
current_date = date.today()
days_before = date.today()-timedelta(days=30)
datelist = Customer_Requests.objects.values("arrival_date").annotate(num_req=Count("request_name")).order_by('-arrival_date')[:20:-1]
replist = list()
sumdata = list()
for listd in datelist:
replist.append(listd['arrival_date'])
sumdata.append(listd['num_req'])
arriva_days = {
'name': 'Datess',
'data': sumdata,
'color': 'green'
}
chart = {
'chart': {'type': 'column'},
'title': {'text': 'Previous statistics'},
'xAxis': {'replist': replist},
'series': [arriva_days]
}
dump = json.dumps(chart,cls=DjangoJSONEncoder)
return render(request,'summarizedchart.html',{'chart': dump})
On Thu, 3 Jun 2021 at 13:27, lalit suthar <sutharlalit.97@gmail.com> wrote:
Hi there!
make these couple of changes
1) from django.core.serializers.json import DjangoJSONEncoder
2) dump3 = json.dumps(chart3, cls=DjangoJSONEncoder)--On Thursday, 3 June 2021 at 16:18:15 UTC+5:30 eugenet...@gmail.com wrote:Dear Suthar,Your idea works well , but I want now to display the result on chart. Below is the code I am trying to use:but Am getting the error message:
Exception Value:
Customer_Requests.objects.values("arrival_date").annotate(num_req=Count("request_name")).order_by("-id")[:30:-1]--On Thursday, 3 June 2021 at 11:37:26 UTC+5:30 abubak...@gmail.com wrote:to display last 30 records you can write your code like this: Customer_Requests.objects.all()[-30]On Thu, Jun 3, 2021 at 10:51 AM Eugene TUYIZERE <eugenet...@gmail.com> wrote:Dear Latit,Thank you very much. Now how can I display 30 last records? Regardless of how many records I may have ! Just the last 30 records!Thank youOn Thu, 3 Jun 2021 at 06:51, Lalit Suthar <sutharl...@gmail.com> wrote:> in brief, I want to transform this query in django querythis will be equivalent to this query in djangoCustomer_Requests.objects.values("arrival_date").annotate(num_req=Count("request_name"))--On Thu, 3 Jun 2021 at 02:02, Eugene TUYIZERE <eugenet...@gmail.com> wrote:in brief, I want to transform this query in django queryOn Wed, 2 Jun 2021 at 21:56, Eugene TUYIZERE <eugenet...@gmail.com> wrote:Dear Sebatian,This is what I get:SELECT `crms_customer_requests`.`arrival_date`, COUNT(`crms_customer_requests`.`request_name`) AS `count` FROM `crms_customer_requests` WHERE `crms_customer_requests`.`arrival_date` >= 2021-05-03 GROUP BY `crms_customer_requests`.`arrival_date` ORDER BY NULL
SELECT `crms_customer_requests`.`arrival_date`, COUNT(`crms_customer_requests`.`request_name`) AS `count` FROM `crms_customer_requests` WHERE `crms_customer_requests`.`arrival_date` >= 2021-05-04 GROUP BY `crms_customer_requests`.`arrival_date` ORDER BY NULL
SELECT `crms_customer_requests`.`arrival_date`, COUNT(`crms_customer_requests`.`request_name`) AS `count` FROM `crms_customer_requests` WHERE `crms_customer_requests`.`arrival_date` >= 2021-05-05 GROUP BY `crms_customer_requests`.`arrival_date` ORDER BY NULL
SELECT `crms_customer_requests`.`arrival_date`, COUNT(`crms_customer_requests`.`request_name`) AS `count` FROM `crms_customer_requests` WHERE `crms_customer_requests`.`arrival_date` >= 2021-05-06 GROUP BY `crms_customer_requests`.`arrival_date` ORDER BY NULL
SELECT `crms_customer_requests`.`arrival_date`, COUNT(`crms_customer_requests`.`request_name`) AS `count` FROM `crms_customer_requests` WHERE `crms_customer_requests`.`arrival_date` >= 2021-05-07 GROUP BY `crms_customer_requests`.`arrival_date` ORDER BY NULL
SELECT `crms_customer_requests`.`arrival_date`, COUNT(`crms_customer_requests`.`request_name`) AS `count` FROM `crms_customer_requests` WHERE `crms_customer_requests`.`arrival_date` >= 2021-05-08 GROUP BY `crms_customer_requests`.`arrival_date` ORDER BY NULL
SELECT `crms_customer_requests`.`arrival_date`, COUNT(`crms_customer_requests`.`request_name`) AS `count` FROM `crms_customer_requests` WHERE `crms_customer_requests`.`arrival_date` >= 2021-05-09 GROUP BY `crms_customer_requests`.`arrival_date` ORDER BY NULL
SELECT `crms_customer_requests`.`arrival_date`, COUNT(`crms_customer_requests`.`request_name`) AS `count` FROM `crms_customer_requests` WHERE `crms_customer_requests`.`arrival_date` >= 2021-05-10 GROUP BY `crms_customer_requests`.`arrival_date` ORDER BY NULL
SELECT `crms_customer_requests`.`arrival_date`, COUNT(`crms_customer_requests`.`request_name`) AS `count` FROM `crms_customer_requests` WHERE `crms_customer_requests`.`arrival_date` >= 2021-05-11 GROUP BY `crms_customer_requests`.`arrival_date` ORDER BY NULL
SELECT `crms_customer_requests`.`arrival_date`, COUNT(`crms_customer_requests`.`request_name`) AS `count` FROM `crms_customer_requests` WHERE `crms_customer_requests`.`arrival_date` >= 2021-05-12 GROUP BY `crms_customer_requests`.`arrival_date` ORDER BY NULL
SELECT `crms_customer_requests`.`arrival_date`, COUNT(`crms_customer_requests`.`request_name`) AS `count` FROM `crms_customer_requests` WHERE `crms_customer_requests`.`arrival_date` >= 2021-05-13 GROUP BY `crms_customer_requests`.`arrival_date` ORDER BY NULL
SELECT `crms_customer_requests`.`arrival_date`, COUNT(`crms_customer_requests`.`request_name`) AS `count` FROM `crms_customer_requests` WHERE `crms_customer_requests`.`arrival_date` >= 2021-05-14 GROUP BY `crms_customer_requests`.`arrival_date` ORDER BY NULL
SELECT `crms_customer_requests`.`arrival_date`, COUNT(`crms_customer_requests`.`request_name`) AS `count` FROM `crms_customer_requests` WHERE `crms_customer_requests`.`arrival_date` >= 2021-05-15 GROUP BY `crms_customer_requests`.`arrival_date` ORDER BY NULL
SELECT `crms_customer_requests`.`arrival_date`, COUNT(`crms_customer_requests`.`request_name`) AS `count` FROM `crms_customer_requests` WHERE `crms_customer_requests`.`arrival_date` >= 2021-05-16 GROUP BY `crms_customer_requests`.`arrival_date` ORDER BY NULL
SELECT `crms_customer_requests`.`arrival_date`, COUNT(`crms_customer_requests`.`request_name`) AS `count` FROM `crms_customer_requests` WHERE `crms_customer_requests`.`arrival_date` >= 2021-05-17 GROUP BY `crms_customer_requests`.`arrival_date` ORDER BY NULL
SELECT `crms_customer_requests`.`arrival_date`, COUNT(`crms_customer_requests`.`request_name`) AS `count` FROM `crms_customer_requests` WHERE `crms_customer_requests`.`arrival_date` >= 2021-05-18 GROUP BY `crms_customer_requests`.`arrival_date` ORDER BY NULL
SELECT `crms_customer_requests`.`arrival_date`, COUNT(`crms_customer_requests`.`request_name`) AS `count` FROM `crms_customer_requests` WHERE `crms_customer_requests`.`arrival_date` >= 2021-05-19 GROUP BY `crms_customer_requests`.`arrival_date` ORDER BY NULL
SELECT `crms_customer_requests`.`arrival_date`, COUNT(`crms_customer_requests`.`request_name`) AS `count` FROM `crms_customer_requests` WHERE `crms_customer_requests`.`arrival_date` >= 2021-05-20 GROUP BY `crms_customer_requests`.`arrival_date` ORDER BY NULL
SELECT `crms_customer_requests`.`arrival_date`, COUNT(`crms_customer_requests`.`request_name`) AS `count` FROM `crms_customer_requests` WHERE `crms_customer_requests`.`arrival_date` >= 2021-05-21 GROUP BY `crms_customer_requests`.`arrival_date` ORDER BY NULL
SELECT `crms_customer_requests`.`arrival_date`, COUNT(`crms_customer_requests`.`request_name`) AS `count` FROM `crms_customer_requests` WHERE `crms_customer_requests`.`arrival_date` >= 2021-05-22 GROUP BY `crms_customer_requests`.`arrival_date` ORDER BY NULL
SELECT `crms_customer_requests`.`arrival_date`, COUNT(`crms_customer_requests`.`request_name`) AS `count` FROM `crms_customer_requests` WHERE `crms_customer_requests`.`arrival_date` >= 2021-05-23 GROUP BY `crms_customer_requests`.`arrival_date` ORDER BY NULL
SELECT `crms_customer_requests`.`arrival_date`, COUNT(`crms_customer_requests`.`request_name`) AS `count` FROM `crms_customer_requests` WHERE `crms_customer_requests`.`arrival_date` >= 2021-05-24 GROUP BY `crms_customer_requests`.`arrival_date` ORDER BY NULL
SELECT `crms_customer_requests`.`arrival_date`, COUNT(`crms_customer_requests`.`request_name`) AS `count` FROM `crms_customer_requests` WHERE `crms_customer_requests`.`arrival_date` >= 2021-05-25 GROUP BY `crms_customer_requests`.`arrival_date` ORDER BY NULL
SELECT `crms_customer_requests`.`arrival_date`, COUNT(`crms_customer_requests`.`request_name`) AS `count` FROM `crms_customer_requests` WHERE `crms_customer_requests`.`arrival_date` >= 2021-05-26 GROUP BY `crms_customer_requests`.`arrival_date` ORDER BY NULL
SELECT `crms_customer_requests`.`arrival_date`, COUNT(`crms_customer_requests`.`request_name`) AS `count` FROM `crms_customer_requests` WHERE `crms_customer_requests`.`arrival_date` >= 2021-05-27 GROUP BY `crms_customer_requests`.`arrival_date` ORDER BY NULL
SELECT `crms_customer_requests`.`arrival_date`, COUNT(`crms_customer_requests`.`request_name`) AS `count` FROM `crms_customer_requests` WHERE `crms_customer_requests`.`arrival_date` >= 2021-05-28 GROUP BY `crms_customer_requests`.`arrival_date` ORDER BY NULL
SELECT `crms_customer_requests`.`arrival_date`, COUNT(`crms_customer_requests`.`request_name`) AS `count` FROM `crms_customer_requests` WHERE `crms_customer_requests`.`arrival_date` >= 2021-05-29 GROUP BY `crms_customer_requests`.`arrival_date` ORDER BY NULL
SELECT `crms_customer_requests`.`arrival_date`, COUNT(`crms_customer_requests`.`request_name`) AS `count` FROM `crms_customer_requests` WHERE `crms_customer_requests`.`arrival_date` >= 2021-05-30 GROUP BY `crms_customer_requests`.`arrival_date` ORDER BY NULL
SELECT `crms_customer_requests`.`arrival_date`, COUNT(`crms_customer_requests`.`request_name`) AS `count` FROM `crms_customer_requests` WHERE `crms_customer_requests`.`arrival_date` >= 2021-05-31 GROUP BY `crms_customer_requests`.`arrival_date` ORDER BY NULL
SELECT `crms_customer_requests`.`arrival_date`, COUNT(`crms_customer_requests`.`request_name`) AS `count` FROM `crms_customer_requests` WHERE `crms_customer_requests`.`arrival_date` >= 2021-06-01 GROUP BY `crms_customer_requests`.`arrival_date` ORDER BY NULL
SELECT `crms_customer_requests`.`arrival_date`, COUNT(`crms_customer_requests`.`request_name`) AS `count` FROM `crms_customer_requests` WHERE `crms_customer_requests`.`arrival_date` >= 2021-06-02 GROUP BY `crms_customer_requests`.`arrival_date` ORDER BY NULLOn Wed, 2 Jun 2021 at 21:53, Sebastian Jung <sebasti...@gmail.com> wrote:Hi Eugene,Please make Print(report.query) then you get SQL querys and Most of time i get an Idea what's wrongRegards--Eugene TUYIZERE <eugenet...@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--Tel: (+250) 7 88 26 33 38, (+250) 7 22 26 33 38eugenet...@gmail.comEmail: eugene....@aims-cameroon.orgTUYIZERE EugeneMsc Degree in Mathematical ScienceAfrican Institute for Mathematical Sciences (AIMS Cameroon)
Crystal Garden-Lime, CameroonBsc in Computer ScienceUR-Nyagatare Campus
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--Tel: (+250) 7 88 26 33 38, (+250) 7 22 26 33 38eugenet...@gmail.comEmail: eugene....@aims-cameroon.orgTUYIZERE EugeneMsc Degree in Mathematical ScienceAfrican Institute for Mathematical Sciences (AIMS Cameroon)
Crystal Garden-Lime, CameroonBsc in Computer ScienceUR-Nyagatare Campus----Tel: (+250) 7 88 26 33 38, (+250) 7 22 26 33 38eugenet...@gmail.comEmail: eugene....@aims-cameroon.orgTUYIZERE EugeneMsc Degree in Mathematical ScienceAfrican Institute for Mathematical Sciences (AIMS Cameroon)
Crystal Garden-Lime, CameroonBsc in Computer ScienceUR-Nyagatare Campus
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----Tel: (+250) 7 88 26 33 38, (+250) 7 22 26 33 38eugenet...@gmail.comEmail: eugene....@aims-cameroon.orgTUYIZERE EugeneMsc Degree in Mathematical ScienceAfrican Institute for Mathematical Sciences (AIMS Cameroon)
Crystal Garden-Lime, CameroonBsc in Computer ScienceUR-Nyagatare Campus
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--Tel: (+250) 7 88 26 33 38, (+250) 7 22 26 33 38eugenet...@gmail.comEmail: eugene....@aims-cameroon.orgTUYIZERE EugeneMsc Degree in Mathematical ScienceAfrican Institute for Mathematical Sciences (AIMS Cameroon)
Crystal Garden-Lime, CameroonBsc in Computer ScienceUR-Nyagatare Campus
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TUYIZERE Eugene
Msc Degree in Mathematical Science
African Institute for Mathematical Sciences (AIMS Cameroon)
Crystal Garden-Lime, Cameroon
Crystal Garden-Lime, Cameroon
Bsc in Computer Science
UR-Nyagatare Campus
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