迁移：将DB变更记录SQL文件移动到sql目录下

sql/迁移记录-DB变更记录/fix_duplicate_menu_path.sql

@@ -0,0 +1,43 @@
+-- =====================================================
+-- 查找sys_menu表中重复的path记录
+-- PostgreSQL 版本
+-- =====================================================
+
+-- 1. 查询重复的path及其出现次数
+SELECT
+    path,
+    COUNT(*) as count,
+    STRING_AGG(CAST(menu_id AS TEXT), ', ') as menu_ids,
+    STRING_AGG(menu_name, ', ') as menu_names
+FROM sys_menu
+GROUP BY path
+HAVING COUNT(*) > 1;
+
+-- 2. 查看具体重复path的详细信息
+SELECT * FROM sys_menu
+WHERE path IN (
+    SELECT path
+    FROM sys_menu
+    GROUP BY path
+    HAVING COUNT(*) > 1
+)
+ORDER BY path, menu_id;
+
+-- 注意：执行上述查询后，根据结果执行下面的删除操作
+-- 只保留menu_id较小的记录，删除重复的记录
+
+DELETE FROM sys_menu
+WHERE menu_id IN (
+    SELECT menu_id FROM (
+        SELECT menu_id,
+               ROW_NUMBER() OVER (PARTITION BY path ORDER BY menu_id) as rn
+        FROM sys_menu
+        WHERE path IN (
+            SELECT path
+            FROM sys_menu
+            GROUP BY path
+            HAVING COUNT(*) > 1
+        )
+    ) t
+    WHERE rn > 1
+);