From c7eda1d49d07cb5d591486d4b7167f134ac1d963 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Javier=20Jaramago=20Fern=C3=A1ndez?=
 <jaramago.fernandez.javier@gmail.com>
Date: Mon, 28 Feb 2022 20:58:56 +0100
Subject: [PATCH] Add missing delete when updating 'mysql_servers_to_monitor'
 resulset #3797

---
 lib/MySQL_HostGroups_Manager.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/MySQL_HostGroups_Manager.cpp b/lib/MySQL_HostGroups_Manager.cpp
index c9430ba1b..40f86aef8 100644
--- a/lib/MySQL_HostGroups_Manager.cpp
+++ b/lib/MySQL_HostGroups_Manager.cpp
@@ -2607,6 +2607,7 @@ void MySQL_HostGroups_Manager::update_table_mysql_servers_for_monitor(bool lock)
 		proxy_error("Error on read from mysql_servers : %s\n", error);
 	} else {
 		if (resultset != nullptr) {
+			delete this->mysql_servers_to_monitor;
 			this->mysql_servers_to_monitor = resultset;
 		}
 	}