fix(database): MySQL reconnection

Author: skuzzis

src/database/Database.cpp

@@ -24,7 +24,7 @@ bool Database::Connect()
     }
 
     my_bool my_true = true;
-    mysql_options(this->connection, MYSQL_OPT_RECONNECT, (const char *)&my_true);
+    mysql_options(this->connection, MYSQL_OPT_RECONNECT, &my_true);
 
     if (mysql_real_connect(this->connection, this->m_hostname.c_str(), this->m_username.c_str(), this->m_password.c_str(), this->m_database.c_str(), this->m_port, nullptr, 0) == nullptr)
     {

src/plugins/core/scripting/database.cpp

@@ -77,6 +77,15 @@ void DatabaseQueryThread()
                 try
                 {
                     std::string error = queue.db->GetError();
+                    if (error == "MySQL server has gone away")
+                        if (queue.db->Connect())
+                        {
+                            delete ((luabridge::LuaRef *)queue.callback);
+                            continue;
+                        }
+                        else
+                            error = queue.db->GetError();
+
                     if (ref.isFunction())
                         ref(error.size() == 0 ? luabridge::LuaRef(state) : error, tbl);
                 }