Re: [Boost-users] [boost::system] Is the library abstraction general enough?

Subject: Re: [Boost-users] [boost::system] Is the library abstraction general enough?
From: Boris Schaeling (boris_at_[hidden])
Date: 2009-02-21 09:13:07

On Fri, 20 Feb 2009 09:36:53 +0100, Lian Cheng <rhythm.mail_at_[hidden]>  
wrote:

> [...]Then here is the problem. MySQL error code is a property of a single
> MySQL connection. The mysql_errno() and mysql_error() functions both
> require a MYSQL* connection handle as parameter to retrieve the last
> error number and error message of the given MySQL connection. And the
> error messages provided by MySQL API are actually printf format strings.
> The mysql_error() function fills the format strings with information
> related to the MYSQL* handle. But in Boost.System, I've got no idea how
> to pass the connection handle to the error_category::message() function
> so that a proper error message can be retrieved.

Isn't there a list of error numbers and error strings MySQL uses? I ask as  
calling error_category::message() should also return an error string even  
if no MySQL connection is used?

Boris