From: Warren Young
Date: July 18 2006 10:23am
Subject: Re: how to support const wchar*
List-Archive: http://lists.mysql.com/plusplus/5828
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owen nirvana wrote:
> 
> if compiling with _UNICODE, all string must be std:wstring & const wchar*

Really?  How do the custom* examples work under VC++, then?  They're 
built with _UNICODE defined.

I don't believe there is any requirement that you must only use wide 
character strings a VC++ Unicode build.  You can still use narrow 
strings to handle the UTF-8 strings returned by MySQL.  Then you 
translate those to the UCS-2 character set used by Windows NT-derived 
OSes as shown in the util module from the examples.  This is clearly 
explained in chapter 6 in the user manual.