Simple Subquery with OuterRef
I am trying to make a very simple Subquery
that uses OuterRef
(not for practical purposes, but just to get it working), but I keep running into the same error.
I am trying to make a very simple Subquery
that uses OuterRef
(not for practical purposes, but just to get it working), but I keep running into the same error.
I have a MySQL database unfortunately used with Django 1.4.1.
Distinct function is only working for POSTGRESQL if i get it right.
I need to filter my objects in a way to get them grouped by range (range is fixed, for this case let’s say we have these 3 ranges [0.0, 33.0] [33.01, 66.0] [66.01, 100.0]
The model is
I’ve got a field in one model like:
Let’s say I have the following models
I have a model something like this:
I’m sure this is a trivial operation, but I can’t figure out how it’s done.
In Django model QuerySets, I see that there is a __gt
and __lt
for comparative values, but is there a __ne
or !=
(not equals)? I want to filter out using a not equals. For example, for
How do I get the SQL that Django will use on the database from a QuerySet object? I’m trying to debug some strange behavior, but I’m not sure what queries are going to the database. Answers: Thank you for visiting the Q&A section on Magenaut. Please note that all the answers may not help you … Read more