From 9d6098c353b62e0096d1dad1d2968e8606389357 Mon Sep 17 00:00:00 2001
From: SquidSpirit <squid@squidspirit.com>
Date: Sun, 12 Oct 2025 17:18:41 +0800
Subject: [PATCH] fix: update comment and SQL statement to set semantic_id with
 _id prefix

---
 backend/migrations/20251011200359_add_semantic_id_to_post.sql | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/backend/migrations/20251011200359_add_semantic_id_to_post.sql b/backend/migrations/20251011200359_add_semantic_id_to_post.sql
index 63d0294..8f60e75 100644
--- a/backend/migrations/20251011200359_add_semantic_id_to_post.sql
+++ b/backend/migrations/20251011200359_add_semantic_id_to_post.sql
@@ -1,7 +1,7 @@
 ALTER TABLE post ADD COLUMN "semantic_id" VARCHAR(100) NOT NULL DEFAULT '';
 
--- Update existing records to use their id as semantic_id
-UPDATE post SET semantic_id = id::VARCHAR WHERE semantic_id = '';
+-- Update existing records to use their id as semantic_id with _id prefix
+UPDATE post SET semantic_id = '_' || id::VARCHAR WHERE semantic_id = '';
 
 -- Create unique index on semantic_id
 CREATE UNIQUE INDEX idx_post_semantic_id ON post (semantic_id);