fix(db): 适配KingbaseES系统目录元数据查询

RuoYi-Vue/sql/train/v2/010_verify.sql

@@ -348,15 +348,17 @@ BEGIN
                 ('train_student_portrait', 'portrait_id')
         ),
         actual_identity AS (
-            SELECT table_name, column_name
-            FROM information_schema.columns
-            WHERE table_schema = 'public' 
-              AND table_name LIKE 'train_%' 
-              AND is_identity = 'YES'
+            SELECT c.relname AS table_name, a.attname AS column_name
+            FROM sys_class c
+            JOIN sys_attribute a ON a.attrelid = c.oid
+            JOIN sys_namespace n ON n.oid = c.relnamespace
+            WHERE n.nspname = 'public'
+              AND c.relname LIKE 'train_%'
+              AND a.attidentity = 'd'
         )
         SELECT 'MISSING_IDENTITY' AS diff_type, e.table_name, e.column_name
         FROM expected_identity e
-        LEFT JOIN actual_identity a 
+        LEFT JOIN actual_identity a
             ON e.table_name = a.table_name AND e.column_name = a.column_name
         WHERE a.table_name IS NULL
         UNION ALL