From 9f5be70dbebc2a3119461748cb5a0796312eb9a5 Mon Sep 17 00:00:00 2001
From: qizhicheng <qizhicheng@douban.com>
Date: Tue, 8 Aug 2023 18:15:21 +0800
Subject: [PATCH] dbname is optional

---
 sql/plugins/sqladvisor.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sql/plugins/sqladvisor.py b/sql/plugins/sqladvisor.py
index c559ef7baf..698a5e7268 100644
--- a/sql/plugins/sqladvisor.py
+++ b/sql/plugins/sqladvisor.py
@@ -24,7 +24,10 @@ def check_args(self, args):
         result = super().check_args(args)
         if result["status"] != 0:
             return result
-        db_name = args.get("d", "")
+        db_name = args.get("d")
+        if not db_name:
+            return result
+        # 防止 db_name 注入
         db_pattern = r"[a-zA-Z0-9-_]+"
         if not re.match(db_pattern, db_name):
             return {