exporting query result to csv, one line of code knocking out entire app w/o error

[eluser]Brad K Morse[/eluser]
exportCsv data_model method was posted in the original thread

here it is

Code:

// model function
function exportCsv() {
    $this->load->dbutil();
    $q = $this->db->order_by('first_name','asc')->get('data');
    return $this->dbutil->csv_from_result($q, ",", "\n");
}