From: Warren Young
Date: March 11 2009 11:47am
Subject: Re: How to push NULL into template query?
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Alex Luya wrote:
>        for (size_t i = 1; i <20; i++)
>        {
>            sqp << *res[1][i]*;
>        }

This should be fixed by svn r2483.  If you don't want to update to svn 
MySQL++, this one change should apply cleanly to MySQL++ 3.0.9.

>        cout<<query.str()<endl;

Totally unrelated to your thread topic, but that's not right.  You have 
to pass the query parameters to str() as well: otherwise, it can't build 
the query string, any more than execute() could.