From 3f904ab6f7a878c42f44502c06229d32464acf8f Mon Sep 17 00:00:00 2001
From: hailin <hailin.zhao@gdzx.xyz>
Date: Sat, 20 Dec 2025 18:16:08 -0800
Subject: [PATCH] =?UTF-8?q?fix(identity-service):=20=E8=AE=BE=E7=BD=AE=20u?=
 =?UTF-8?q?ser=5Fid=20=E8=87=AA=E5=A2=9E=E5=BA=8F=E5=88=97=E4=BB=8E=2010?=
 =?UTF-8?q?=20=E5=BC=80=E5=A7=8B?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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- 添加数据库 migration 设置 user_id 序列起始值为 10
- 保留 user_id 1-9 给系统账户使用
- 修复用户注册时的唯一约束冲突错误
- 序列值安全检查：仅在当前值 < 10 时重置

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
---
 .../migration.sql                             | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 backend/services/identity-service/prisma/migrations/20251220000000_set_user_id_sequence_start/migration.sql

diff --git a/backend/services/identity-service/prisma/migrations/20251220000000_set_user_id_sequence_start/migration.sql b/backend/services/identity-service/prisma/migrations/20251220000000_set_user_id_sequence_start/migration.sql
new file mode 100644
index 00000000..79361a12
--- /dev/null
+++ b/backend/services/identity-service/prisma/migrations/20251220000000_set_user_id_sequence_start/migration.sql
@@ -0,0 +1,21 @@
+-- Set user_id sequence to start from 10
+-- This reserves user IDs 1-9 for system accounts
+
+-- Check current sequence value
+DO $$
+DECLARE
+    current_val BIGINT;
+BEGIN
+    -- Get current sequence value
+    SELECT last_value INTO current_val FROM user_accounts_user_id_seq;
+
+    -- Only reset if current value is less than 10
+    IF current_val < 10 THEN
+        -- Set sequence to start from 10
+        -- Using setval with false means next nextval() will return 10
+        PERFORM setval('user_accounts_user_id_seq', 10, false);
+        RAISE NOTICE 'Sequence reset to start from 10';
+    ELSE
+        RAISE NOTICE 'Sequence already at % (>= 10), no reset needed', current_val;
+    END IF;
+END $$;