public function save($data, $id, $auto_increment = false, $type = '')
{
// does not have a regular PK because it gets it from the posts table
//so the "primary key" field has to be added as one to insert (not auto-increment)
if ($type == '') {
$type = $this->post_type;
}
return parent::save($data, $id, false, $type);
}
