DB_mysql Bugs?

Hi,

I've started to change a couple of scripts to make use of the PEAR DB
classes.

I've bumped into the following Bugs(/Features I don't understand).
Please be patient with me :)
I'm using the current cvs revisions:


A.) In the File "DB/mysql.php":

1.) In the function connect()

        $connect_function = $persistent ? "mysql_pconnect" :
"mysql_connect";

        if ($dbhost && $user && $pw) {
            $conn = $connect_function($dbhost, $user, $pw);
        } elseif ($dbhost && $user) {
            $conn = $connect_function($dbhost, $user);
        } elseif ($dbhost) {
            $conn = $connect_function($dbhost);
        } else {
            $conn = false;
        }

There seem a couple of @'s missing before the calls to $connect($dbhost,
$user). Are they left out on purpose? If so, please enlighten me why. I
suggest to add an @ before every call to $connect_function.

2.) In the function fetchRow()
        if (!$row) {
            $errno = mysql_errno($this->connection);

            if (!$errno) {
                return $this->raiseError('end of results');
            }
            
            return $this->mysqlRaiseError($errno);
        }
Why raise an error "end of results" instead of returning NULL? In the
comments before the function declaration it says that would be the
return value "if there is no more data". The pgsql DB class does seems
to return NULL if there are no more results. I don't think it should be
considered an error if there is no more data to be returned from a
select query. I suggest to return NULL instead.

B.) In the File "DB.php":

1.) This one is close to the preceding one. The way I see it a bug was
introduced in Revision 1.44 of DB.php.
The function isError now returns true if NULL is passed as an argument.
That way it's not possible to do 
      if( DB::isError( $var ) ) print $var->getMessage();
anymore without doing another is_object or something first. Also, it
would make it impossible to return NULL if no more data can be fetched
from a query in fetchRow and similar functions. I suggest to change it
back.

Does it make sense to change the above statements how I suggested?

Since I will be working a lot with the PEAR mysql and postgresql
classes, what are the policies for granting a cvs account, and what is
the procedure to request one?

Best regards,
Vinai