Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
I need to make a complex filter that implies to apply a function over a model property.
The equivalent SQL query is:
SELECT * FROM myModel_table t WHERE abs(t.field1 - :binding_value) <= 50
where binding_value is a numeric received from the client.
Is there any way to define a field lookup using a funcion? Or do I have to directly use the raw sql?
Thank you.
In this case the best way would be to use Django’s queryset extra() method: