From 9a0b80c968f01d50423126ecfd5fd5e793f5d42a Mon Sep 17 00:00:00 2001
From: Nirbhay Choubey <nirbhay@skysql.com>
Date: Mon, 23 Jun 2014 19:14:28 -0400
Subject: [PATCH] MDEV#5747: wsrep system variables not listed alphabetically

Some wsrep system variables contain uppercase letters in
their names, as a result of which they seemed out of order
after sorting. Fixed by using case-insensitive string
comparison function to perform sorting.
---
 sql/set_var.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sql/set_var.cc b/sql/set_var.cc
index ea577bbfa74..d1121741821 100644
--- a/sql/set_var.cc
+++ b/sql/set_var.cc
@@ -556,7 +556,11 @@ int mysql_del_sys_var_chain(sys_var *first)
 
 static int show_cmp(SHOW_VAR *a, SHOW_VAR *b)
 {
+#ifdef WITH_WSREP
+  return my_strcasecmp(system_charset_info, a->name, b->name);
+#else
   return strcmp(a->name, b->name);
+#endif /* WITH_WSREP */
 }