From abb994c8965f03f6916b4841bac02ad5a6113191 Mon Sep 17 00:00:00 2001
From: solid-yang <yangkefan1@huawei.com>
Date: Mon, 18 Mar 2024 10:40:45 +0800
Subject: [PATCH] check sign before setting unsigned variables in remote node

---
 storage/tianchi/ctc_meta_data.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/storage/tianchi/ctc_meta_data.cc b/storage/tianchi/ctc_meta_data.cc
index 9243d2d..db39c84 100644
--- a/storage/tianchi/ctc_meta_data.cc
+++ b/storage/tianchi/ctc_meta_data.cc
@@ -623,6 +623,11 @@ static void ctc_get_set_var_item(THD* new_thd, sys_var* sysvar, Item** res MY_AT
     case SHOW_LONG:
     case SHOW_LONGLONG:
     case SHOW_HA_ROWS:
+      if (var_value.c_str()[0] != '-') {
+        *res = new (new_thd->mem_root)
+          Item_uint(var_value.c_str(), (uint)var_value.length());
+        break;
+      }
     case SHOW_SIGNED_INT:
     case SHOW_SIGNED_LONG:
     case SHOW_SIGNED_LONGLONG:
-- 
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