From 8324f130cd472dd1f5a61a10066944813636ef87 Mon Sep 17 00:00:00 2001
From: dongmucat <1127093059@qq.com>
Date: Fri, 8 May 2026 14:42:27 +0800
Subject: [PATCH] fix(namespace): add index on
 promotion_request.target_namespace_id

The existsByTargetNamespaceId query used in namespace deletion
dependency checks was missing an index, causing a sequential scan.
---
 .../V41__add_promotion_request_target_namespace_index.sql        | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 server/skillhub-app/src/main/resources/db/migration/V41__add_promotion_request_target_namespace_index.sql

diff --git a/server/skillhub-app/src/main/resources/db/migration/V41__add_promotion_request_target_namespace_index.sql b/server/skillhub-app/src/main/resources/db/migration/V41__add_promotion_request_target_namespace_index.sql
new file mode 100644
index 00000000..bf581892
--- /dev/null
+++ b/server/skillhub-app/src/main/resources/db/migration/V41__add_promotion_request_target_namespace_index.sql
@@ -0,0 +1 @@
+CREATE INDEX idx_promotion_request_target_namespace ON promotion_request(target_namespace_id);