Simon Willison’s Weblog

13th August 2007 - Link Blog

Finding Lookup Items that Are Not Used. How to do left outer joins (and other custom SQL) using the Django ORM.

Posted 13th August 2007 at 5:08 pm

Recent articles

OpenAI DevDay 2026 live blog - 29th September 2026
2026 in LLMs (so far) - 27th September 2026
Claude Opus 5.5, GPT-6 Sol, GPT-6 Luna, and a new price war - 22nd September 2026

This is a link post by Simon Willison, posted on 13th August 2007.

django 589 michael-trier 4 orm 40 python 1,284 sql 117

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe