From 29658b057284d2e69594fd39fdf57242329c6b22 Mon Sep 17 00:00:00 2001
From: Philipinho <16838612+Philipinho@users.noreply.github.com>
Date: Fri, 2 Jan 2026 03:45:53 +0000
Subject: [PATCH] lock during rebuild

---
 .../src/database/migrations/20251223T120000-page-hierarchy.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/apps/server/src/database/migrations/20251223T120000-page-hierarchy.ts b/apps/server/src/database/migrations/20251223T120000-page-hierarchy.ts
index 8850b4ea..abe636b9 100644
--- a/apps/server/src/database/migrations/20251223T120000-page-hierarchy.ts
+++ b/apps/server/src/database/migrations/20251223T120000-page-hierarchy.ts
@@ -46,6 +46,10 @@ export async function up(db: Kysely<any>): Promise<void> {
     LANGUAGE plpgsql
     AS $$
     BEGIN
+      IF NOT pg_try_advisory_xact_lock(hashtext('rebuild_page_hierarchy')) THEN
+        RETURN;
+      END IF;
+
       TRUNCATE page_hierarchy;
 
       WITH RECURSIVE page_tree AS (