From a7d2c573f11d928269ee3097edd73b8fd5adae76 Mon Sep 17 00:00:00 2001
From: unknown <ram@gw.mysql.r18.ru>
Date: Thu, 12 Aug 2004 11:28:39 +0500
Subject: A fix (Bug #4878: Service crashes on query execution)

---
 sql/sql_string.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'sql/sql_string.h')

diff --git a/sql/sql_string.h b/sql/sql_string.h
index 01329c45a98..0179b3ebadc 100644
--- a/sql/sql_string.h
+++ b/sql/sql_string.h
@@ -98,6 +98,7 @@ public:
 
   void set(String &str,uint32 offset,uint32 arg_length)
   {
+    DBUG_ASSERT(&str != this);
     free();
     Ptr=(char*) str.ptr()+offset; str_length=arg_length; alloced=0;
     if (str.Alloced_length)
-- 
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