I just found out that orand andare defined for QuerySet. This means that to do queries union or intersection, you can do:
User.objects.filter(...) | User.objects.filter(...)
User.objects.filter(...) & User.objects.filter(...)Subscribe for the news and updates
In the previous article, we learned about test analysis for a product in general, and now we are ready to go further and look at test analysis for specific features.
Dive into our guide to RESTful API best practices
SQL is a fairly complicated language with a steep learning curve. For a large number of people who make use of SQL, learning to apply it efficiently takes lots of trials and errors. Here are some tips on how you can make your SELECT queries better. The majority of tips should be applicable to any relational database management system, but the terminology and exact namings will be taken from PostgreSQL.
We reviewed the best payment gateways in 2020. Here’s our comparison of their features, advantages, and disadvantages.
Quite often we have to write paginated or filtered blocks of information on page. I created a decorator that would automate this process.
As you know, model managers can be overriden in Django. It's convenient to add custom filtration method.