add graph_name re;

dbgpt/datasource/conn_tugraph.py

@@ -1,6 +1,6 @@
 """TuGraph Connector."""
 
-import json
+import json, re
 from typing import Dict, List, cast, Union, Generator
 
 from .base import BaseConnector
@@ -23,6 +23,10 @@ def __init__(self, driver, graph):
     def create_graph(self, graph_name: str) -> None:
         """Create a new graph."""
         # run the query to get vertex labels
+
+        if not re.match(r"^[a-zA-Z\u4e00-\u9fff]", graph_name):
+            raise ValueError("Graph name must start with a letter or Chinese character, and cannot begin with a number or special character.")
+
         with self._driver.session(database="default") as session:
             graph_list = session.run("CALL dbms.graph.listGraphs()").data()
             exists = any(item["graph_name"] == graph_name for item in graph_list)