From 1f848ad2912286254585e8a3e1ac6b71c4c3258e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EA=B6=8C=ED=98=81=EC=84=B1?= <shine1324@gmail.com>
Date: Thu, 19 Feb 2026 13:34:37 +0900
Subject: [PATCH] =?UTF-8?q?fix:=ED=8A=B8=EB=A6=AC=EA=B1=B0=20=EA=B0=90?=
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- ORDER BY created_at DESC 쿼리 성능 개선
- 기존 복합 인덱스만으로는 단독 정렬에 활용 불가

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 ...created_at_index_to_trigger_audit_logs.php | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 database/migrations/2026_02_19_100000_add_created_at_index_to_trigger_audit_logs.php

diff --git a/database/migrations/2026_02_19_100000_add_created_at_index_to_trigger_audit_logs.php b/database/migrations/2026_02_19_100000_add_created_at_index_to_trigger_audit_logs.php
new file mode 100644
index 0000000..e7b347c
--- /dev/null
+++ b/database/migrations/2026_02_19_100000_add_created_at_index_to_trigger_audit_logs.php
@@ -0,0 +1,20 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Support\Facades\DB;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        DB::statement("
+            CREATE INDEX ix_trig_created_at
+                ON trigger_audit_logs (created_at)
+        ");
+    }
+
+    public function down(): void
+    {
+        DB::statement('DROP INDEX ix_trig_created_at ON trigger_audit_logs');
+    }
+};
\ No newline at end of file