// Add the nodereference field if it's not present.
$nodereference_table = content_views_tablename($nodereference_field);
$nodereference_db_info = content_database_info($nodereference_field);
$nodereference_column = $nodereference_db_info['columns']['nid']['column'];
if (!
array_key_exists($nodereference_column,
$view->
display[$display_id]->
display_options['fields'])) {
$view->add_item($display_id, 'field', $nodereference_table, $nodereference_column);
}