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BUG#14593883-REPLICATION BREAKS WHEN SET DATA TYPE

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COLUMNS ARE USED INSIDE A STORED PROCEDURE                                      
                                                                                
Problem: The operator '=' overload method inside
'String' class is not coping str_charset member from
R.H.S object to L.H.S object. Hence charset is wrongly
set while using string assignments

Analaysis: The above mentioned problem is
identified while doing the analaysis of bug#14593883.
Though the test scenario mentioned in the bug page
is not  an issue in mysql-5.1 code, the actual root cause
ie., "str_charset member is not copied" exists in the 
mysql-5.1 code base. 

Fix: Handle coping str_charset member in operator '=' overload                  
method.
This commit is contained in:
Venkatesh Duggirala 2013-03-12 22:36:13 +05:30
parent 1a2cb3defb
commit 5b523ee7fe
1 changed files with 2 additions and 1 deletions
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3
sql/sql_string.h
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@ -1,5 +1,5 @@
/*
Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@ -258,6 +258,7 @@ public:
DBUG_ASSERT(!s.uses_buffer_owned_by(this));
free();
Ptr=s.Ptr ; str_length=s.str_length ; Alloced_length=s.Alloced_length;
str_charset=s.str_charset;
alloced=0;
}
return *this;