From 6ba423cf943dd87eb67157c0524b26d5404ac0b8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Markus=20M=C3=A4kel=C3=A4?= <markus.makela@mariadb.com>
Date: Wed, 6 Jun 2018 21:39:53 +0300
Subject: [PATCH] Dump statements on unexpected internal state

If a server responds when no response was expected, dump stored
statements. This should help deduce root causes of problems relating to
unexpected responses.
---
 server/modules/routing/readwritesplit/readwritesplit.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/server/modules/routing/readwritesplit/readwritesplit.cc b/server/modules/routing/readwritesplit/readwritesplit.cc
index 3d8e59f69..f315cb6e1 100644
--- a/server/modules/routing/readwritesplit/readwritesplit.cc
+++ b/server/modules/routing/readwritesplit/readwritesplit.cc
@@ -1158,6 +1158,7 @@ static void log_unexpected_response(SRWBackend& backend, GWBUF* buffer)
                   "Query: %s", mxs_mysql_get_command(buffer), backend->name(),
                   backend->current_command(), sql ? sql : "<not available>");
         MXS_FREE(sql);
+        session_dump_statements(backend->dcb()->session);
 
         ss_dassert(false);
     }