From c30d9c21324525cdb77ee4aca171375e2c4d2de1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ren=C3=A9=20Canna=C3=B2?= <rene.cannao@gmail.com>
Date: Mon, 8 Apr 2019 20:44:54 +1000
Subject: [PATCH] Fix bug #1935

Number of users connections incorrectly increased when global max_connections is reached
---
 lib/MySQL_Session.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/MySQL_Session.cpp b/lib/MySQL_Session.cpp
index 49788cba3..09274940c 100644
--- a/lib/MySQL_Session.cpp
+++ b/lib/MySQL_Session.cpp
@@ -3783,7 +3783,11 @@ void MySQL_Session::handler___status_CONNECTING_CLIENT___STATE_SERVER_HANDSHAKE(
 			}
 			int free_users=0;
 			int used_users=0;
-			if (session_type == PROXYSQL_SESSION_MYSQL || session_type == PROXYSQL_SESSION_CLICKHOUSE || session_type == PROXYSQL_SESSION_SQLITE) {
+			if (
+				( max_connections_reached == false )
+				&&
+				( session_type == PROXYSQL_SESSION_MYSQL || session_type == PROXYSQL_SESSION_CLICKHOUSE || session_type == PROXYSQL_SESSION_SQLITE)
+			) {
 			//if (session_type == PROXYSQL_SESSION_MYSQL || session_type == PROXYSQL_SESSION_CLICKHOUSE) {
 				client_authenticated=true;
 				switch (session_type) {