From f31f50528bd7091b8ee6a473d6d6157d4dd1fdba Mon Sep 17 00:00:00 2001
From: karenc-bq <karen.chen@improving.com>
Date: Mon, 12 Aug 2024 18:37:56 -0700
Subject: [PATCH] fix: access violation caused by invalid dbc

---
 driver/error.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/driver/error.cc b/driver/error.cc
index dce18ae47..5611561c8 100644
--- a/driver/error.cc
+++ b/driver/error.cc
@@ -488,7 +488,7 @@ MySQLGetDiagField(SQLSMALLINT handle_type, SQLHANDLE handle, SQLSMALLINT record,
     if (!stmt->result)
       *(SQLLEN *)num_value= 0;
     else
-      *(SQLLEN *)num_value= (SQLLEN) dbc->connection_proxy->num_rows(stmt->result);
+      *(SQLLEN *)num_value= (SQLLEN) stmt->dbc->connection_proxy->num_rows(stmt->result);
     return SQL_SUCCESS;
 
   case SQL_DIAG_DYNAMIC_FUNCTION: