From: Warren Young
Date: July 6 2005 5:37pm
Subject: Re: exception hierarchy
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Chris Frey wrote:

> 	class BadFieldName : public mysqlpp::Exception,
> 		public std::runtime_error

You can avoid an inheritance diamond in that if Exception doesn't derive 
from std::exception, which it does now.

> I just don't know if grouping mysql++ exceptions is really that useful
> in practice

True, but this offers two ways to group them: as runtime vs. logic 
exceptions, and as MySQL++ exceptions vs. everything else.  I've already 
argued in favor of the latter.  The question is whether the former is 
also useful.