From d1a66a743e6ca45ea13874015bcdcaaa1e2e1abe Mon Sep 17 00:00:00 2001
From: Jelle van der Waa <jelle@archlinux.org>
Date: Fri, 9 Aug 2024 13:01:54 +0200
Subject: [PATCH] perf(aurweb/pkgbase): use exists() to avoid fetching a row

The previous approach fetched the matching row, by using `exists()`
SQLAlchemy changes the query to a `SELECT 1`.
---
 aurweb/pkgbase/util.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/aurweb/pkgbase/util.py b/aurweb/pkgbase/util.py
index f33bbb49..7784638c 100644
--- a/aurweb/pkgbase/util.py
+++ b/aurweb/pkgbase/util.py
@@ -73,8 +73,10 @@ def make_context(
     context["out_of_date"] = bool(pkgbase.OutOfDateTS)
 
     if is_authenticated:
-        context["voted"] = request.user.package_votes.filter(
-            PackageVote.PackageBaseID == pkgbase.ID
+        context["voted"] = db.query(
+            request.user.package_votes.filter(
+                PackageVote.PackageBaseID == pkgbase.ID
+            ).exists()
         ).scalar()
     else:
         context["voted"] = False