The assignment to `$impl` is dead and can be removed.
The assignment to `$result` is dead and can be removed.
The assignment to `$originalCharset` is dead and can be removed.
The assignment to `$versionInfo` is dead and can be removed.
The assignment to `$orig_sql` is dead and can be removed.
`break` is not strictly necessary here and could be removed.
The assignment to `$port` is dead and can be removed.
The assignment to `$db` is dead and can be removed.
The assignment to `$user` is dead and can be removed.
 The assignment to `$password` is dead and can be removed.
The assignment to `$count` is dead and can be removed.