Orm on DevFlow https://dev-flow.io/en/tags/orm/ Recent content in Orm on DevFlow Hugo en Mon, 04 May 2026 14:00:00 +0000 Django Window Functions vs GROUP BY: Chainable QuerySets https://dev-flow.io/en/posts/django-window-group-by/ Mon, 04 May 2026 14:00:00 +0000 https://dev-flow.io/en/posts/django-window-group-by/ Master Django Window Functions vs GROUP BY: keep your rows intact, chain filter() and select_related() without losing your data. Django in_bulk(): why it beats filter() for bulk lookups https://dev-flow.io/en/posts/django-in-bulk/ Mon, 04 May 2026 12:00:00 +0000 https://dev-flow.io/en/posts/django-in-bulk/ in_bulk() is a Django ORM method that returns a dict {id: instance} in a single SQL query. O(1) access, zero N+1, ideal for imports and DDD patterns.