Defer Fields in QuerySet
A snippet showing how to defer field loading in Django queries.
# views.py
from .models import Article
def list_articles(request):
articles = Article.objects.defer("content_blob", "notes")
return render(request, "articles/list.html", {"articles": articles})
Explanation:
- Large text/blob fields are not loaded unless explicitly accessed.
- Greatly improves performance when you don't need large text/blob fields.
- Category Performance & Optimization
- Total Views 818
- Last Modified 23 April, 2026
- Tags #performance #queries #defer #optimization
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