Image captured when i try with django manage.py shell
I try to extract month,day from Datetime field django model. But it return None. Help me. I have no idea.
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This could help you https://stackoverflow.com/questions/8746014/django-group-by-date-day-month-year – Davit Tovmasyan Dec 09 '18 at 08:14
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No, look at my image attach to the question, can you explain why ExtractMonth return None – ductx Dec 09 '18 at 08:22
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Use Extract in annotation not values. – Davit Tovmasyan Dec 09 '18 at 08:42
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results is the same, return None – ductx Dec 09 '18 at 09:02
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I found the answer at https://stackoverflow.com/questions/21351251/database-returned-an-invalid-value-in-queryset-dates . – ductx Dec 09 '18 at 09:21
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https://imgur.com/iK8nRqt – Davit Tovmasyan Dec 09 '18 at 09:24