From 3c5552db14ba58d4532272576a5982b0ae5b1322 Mon Sep 17 00:00:00 2001
From: Hermes Agent <hermes@opencomputing.cn>
Date: Thu, 18 Jun 2026 17:24:11 +0800
Subject: [PATCH] fix: add data_filter field definition guard to CRUD template

- Check if filterjson is CRUD field definition ({'fields': [...]})
- Set filterjson to None to avoid DBFilter AssertionError
- Fixes issue where data_filter parameter causes 500 error
---
 xls2ddl/tmpls.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/xls2ddl/tmpls.py b/xls2ddl/tmpls.py
index 744a70f..70f95d7 100644
--- a/xls2ddl/tmpls.py
+++ b/xls2ddl/tmpls.py
@@ -154,6 +154,9 @@ if filterjson and isinstance(filterjson, str):
 \t\tfilterjson = json.loads(filterjson)
 \texcept (json.JSONDecodeError, TypeError):
 \t\tfilterjson = None
+# data_filter可能是CRUD字段定义({"fields":[...]}),不是过滤条件,忽略
+if filterjson and isinstance(filterjson, dict) and 'fields' in filterjson:
+	filterjson = None
 fields_str=r'''{{json.dumps(fields, indent=4, ensure_ascii=False)}}'''
 ori_fields = json.loads(fields_str)
 if not filterjson: