From 8a6b1035715cc3b99f7d63715104f6808ddee023 Mon Sep 17 00:00:00 2001
From: WangDL <wangdl2900@163.com>
Date: Sun, 24 May 2026 19:55:01 +0800
Subject: [PATCH] fix: add createdAt index to ReviewCard model to fix slow
 admin page load

The admin review list query uses ORDER BY createdAt DESC but there was no
index on createdAt, causing full table scan + filesort on large tables.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
---
 prisma/schema.prisma | 1 +
 1 file changed, 1 insertion(+)

diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 9cd2214..8431c70 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -521,6 +521,7 @@ model ReviewCard {
   @@index([userId])
   @@index([nextReviewAt])
   @@index([focusItemId])
+  @@index([createdAt])
 }
 
 model ReviewLog {