From d1d8cb21ad2d72cf34b1ec17894680ecdceee590 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ren=C3=A9=20Canna=C3=B2?= <rene.cannao@gmail.com>
Date: Sat, 29 Dec 2018 01:01:08 +1100
Subject: [PATCH] Handle error 2019

If client tries to specify a charset that doesn't exist on backend, switch to default charset
---
 lib/MySQL_Session.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/MySQL_Session.cpp b/lib/MySQL_Session.cpp
index 76940bc46..c59e4e388 100644
--- a/lib/MySQL_Session.cpp
+++ b/lib/MySQL_Session.cpp
@@ -2000,6 +2000,9 @@ bool MySQL_Session::handler_again___status_CHANGING_CHARSET(int *_rc) {
 			// the command failed
 			int myerr=mysql_errno(myconn->mysql);
 			if (myerr >= 2000) {
+				if (myerr == 2019) {
+					client_myds->myconn->options.charset = mysql_thread___default_charset;
+				}
 				bool retry_conn=false;
 				// client error, serious
 				proxy_error("Detected a broken connection during SET NAMES on %s , %d : %d, %s\n", myconn->parent->address, myconn->parent->port, myerr, mysql_error(myconn->mysql));