From 8391d480c9f07155f2f8468172c6f0d2aa9caee5 Mon Sep 17 00:00:00 2001
From: yangjianbo <yangjianbo@leagsoft.com>
Date: Sun, 18 Jan 2026 11:52:59 +0800
Subject: [PATCH] =?UTF-8?q?fix(=E6=95=B0=E6=8D=AE=E5=BA=93):=20=E8=A1=A5?=
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---
 .../006b_guard_users_allowed_groups.sql       | 27 +++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 backend/migrations/006b_guard_users_allowed_groups.sql

diff --git a/backend/migrations/006b_guard_users_allowed_groups.sql b/backend/migrations/006b_guard_users_allowed_groups.sql
new file mode 100644
index 00000000..79771bf5
--- /dev/null
+++ b/backend/migrations/006b_guard_users_allowed_groups.sql
@@ -0,0 +1,27 @@
+-- 兼容缺失 users.allowed_groups 的老库，确保 007 回填可执行。
+DO $$
+BEGIN
+    IF EXISTS (
+        SELECT 1
+        FROM information_schema.tables
+        WHERE table_schema = 'public'
+          AND table_name = 'users'
+    ) THEN
+        IF NOT EXISTS (
+            SELECT 1
+            FROM information_schema.columns
+            WHERE table_schema = 'public'
+              AND table_name = 'users'
+              AND column_name = 'allowed_groups'
+        ) THEN
+            IF NOT EXISTS (
+                SELECT 1
+                FROM schema_migrations
+                WHERE filename = '014_drop_legacy_allowed_groups.sql'
+            ) THEN
+                ALTER TABLE users
+                    ADD COLUMN IF NOT EXISTS allowed_groups BIGINT[] DEFAULT NULL;
+            END IF;
+        END IF;
+    END IF;
+END $$;