Simon Willison’s Weblog

Items tagged django, orm in 2007

Filters: Year: 2007 × django × orm ×

Django Evolution. Really smart take on the problem of updating database tables to reflect changes to Django models. Code that automatically modifies your database tables can be pretty scary, but Evolution seems to hit the right balance. # 23rd November 2007, 11:49 pm

Using the extra() QuerySet modifier in Django for WeGoEat. You can use select() on a QuerySet to obtain extra values using subqueries. # 24th October 2007, 7:28 pm

tranquil. Inspired take on the Django ORM to SQLAlchemy problem: lets you define your models with the Django ORM but use SQLAlchemy to run queries against them. # 9th October 2007, 2:30 am

DbMigration—a schema migration tool for Django. Nice and simple tool for adding schema migrations to a Django application. # 27th September 2007, 3:04 pm

django-sphinx (via) More code from Curse Gaming; this time a really nice API for adding Sphinx full-text search to a Django model. # 9th September 2007, 12:35 am

AuditTrail. Add change tracking and history to a Django model with a single line of code. Doesn’t handle relationships though, which is definitely the toughest part of this problem. # 15th August 2007, 1 pm

Finding Lookup Items that Are Not Used. How to do left outer joins (and other custom SQL) using the Django ORM. # 13th August 2007, 5:08 pm

A nice example of when to use reduce in python. As a shortcut for assembling a large OR query using the Django ORM. # 2nd August 2007, 11:51 pm

Undelete in Django. Inspired by the conversation about undo the other day, Nathan Ostgard created a simple solution based around custom managers and a trashed_at model field. # 20th July 2007, 6:54 pm