From c9cd66b50e66ec735630e0e4a1a74e0f7d8734b4 Mon Sep 17 00:00:00 2001
From: yuetsh <517252939@qq.com>
Date: Wed, 1 Apr 2026 00:00:37 -0600
Subject: [PATCH] perf: defer large text fields in top_viewed query

---
 submission/api.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/submission/api.py b/submission/api.py
index 533a97b..01ca5c6 100644
--- a/submission/api.py
+++ b/submission/api.py
@@ -323,6 +323,7 @@ def get_task_stats(request, task_id: int, classname: Optional[str] = None):
         Submission.objects
         .filter(task=task, user_id__in=student_ids)
         .select_related("user")
+        .defer("html", "css", "js")
         .order_by("-view_count")[:5]
     )
     top_viewed = [