From db61ec0d7e828bc0a1c854b09dffdac416b2a357 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Markus=20M=C3=A4kel=C3=A4?= <markus.makela@mariadb.com>
Date: Wed, 15 Nov 2017 13:18:35 +0200
Subject: [PATCH] Add missing initialization in readwritesplit

A value was not always initialized for all queries when info level logging
was enabled.
---
 server/modules/routing/readwritesplit/rwsplit_mysql.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/server/modules/routing/readwritesplit/rwsplit_mysql.cc b/server/modules/routing/readwritesplit/rwsplit_mysql.cc
index 824e5a057..8816ca714 100644
--- a/server/modules/routing/readwritesplit/rwsplit_mysql.cc
+++ b/server/modules/routing/readwritesplit/rwsplit_mysql.cc
@@ -160,8 +160,11 @@ log_transaction_status(RWSplitSession *rses, GWBUF *querybuf, uint32_t qtype)
         unsigned char command = packet[4];
         int len = 0;
         char* sql;
-        modutil_extract_SQL(querybuf, &sql, &len);
         char *qtypestr = qc_typemask_to_string(qtype);
+        if (!modutil_extract_SQL(querybuf, &sql, &len))
+        {
+            sql = (char*)"<non-SQL>";
+        }
 
         if (len > RWSPLIT_TRACE_MSG_LEN)
         {