Python Playground

I am about to update approx 2-3k of records for one of my django model. I know that using the updat… Read more F() Expressions In Django Keeps Giving Me 0

I have this mapper defined: mapper(Resource, resource_table, properties = {'type' : relati… Read more Sqlalchemy - Can We Use Date Comparison In Relation Definition?

I'm having a problem with Django's generated SQL from the ORM. Cartons have a many to many … Read more Django Orm Not Generating Correct Sql For Many To Many Not In

I was asking for a problem I had in SQLAlchemy and found the solution while writing. I post it anyw… Read more Sqlalchemy How To Filter By Children In Many To Many

I'm looking for a SQLAlchemy only solution for converting a dict received from a form submissio… Read more Sqlalchemy Column To Row Transformation And Vice Versa -- Is It Possible?

Let's say I have a ROOMS table with width and length columns, and a corresponding SQLAlchemy mo… Read more Sqlalchemy Orm: Sum Of Products

I've enjoyed using Django quite a bit over the years. Right now I'm working for a company t… Read more Will Using The Django Orm In A Python Library Cause Trouble?

Here is the case. I want to swap value of user. user_with_apple = User.objects.filter(fruit=apple) … Read more Django Orm Query: How To Swap Value Of A Attribute?