From 4574cf43b6626593825d1b3a1169e6de42f26bc8 Mon Sep 17 00:00:00 2001
From: Sergei Golubchik <sergii@pisem.net>
Date: Wed, 26 Mar 2014 09:33:03 +0100
Subject: [PATCH] bug in HA_TOPTION_SYSVAR of the enum type - enum string was
 generated incorrectly

---
 sql/create_options.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sql/create_options.cc b/sql/create_options.cc
index d9b1d31fd62..d60639a4f4a 100644
--- a/sql/create_options.cc
+++ b/sql/create_options.cc
@@ -395,6 +395,7 @@ static bool resolve_sysvars(handlerton *hton, ha_create_table_option *rules)
 
         char buf[256];
         String str(buf, sizeof(buf), system_charset_info);
+        str.length(0);
         for (const char **s= optp.typelib->type_names; *s; s++)
         {
           if (str.append(*s) || str.append(','))