From 9865f9ec26ca07615b6585f899976b16adf32ac7 Mon Sep 17 00:00:00 2001
From: Davi Arnaut <davi.arnaut@oracle.com>
Date: Thu, 9 Sep 2010 09:37:09 -0300
Subject: Bug#53251: mysql_library_init fails on second execution with embedded
 library

Add a virtual destructor. Class has virtual functions.
---
 sql/set_var.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'sql/set_var.h')

diff --git a/sql/set_var.h b/sql/set_var.h
index ece3b80edb4..2972b430e48 100644
--- a/sql/set_var.h
+++ b/sql/set_var.h
@@ -91,6 +91,9 @@ public:
           longlong def_val, PolyLock *lock, enum binlog_status_enum binlog_status_arg,
           on_check_function on_check_func, on_update_function on_update_func,
           uint deprecated_version, const char *substitute, int parse_flag);
+
+  virtual ~sys_var() {}
+
   /**
     All the cleanup procedures should be performed here
   */
-- 
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