Inserting a nodereference field into a view.

  1.  // Add the nodereference field if it's not present.
  2.   $nodereference_table = content_views_tablename($nodereference_field);
  3.   $nodereference_db_info = content_database_info($nodereference_field);
  4.   $nodereference_column = $nodereference_db_info['columns']['nid']['column'];
  5.  
  6.   if (!array_key_exists($nodereference_column, $view->display[$display_id]->display_options['fields'])) {
  7.     $view->add_item($display_id, 'field', $nodereference_table, $nodereference_column);
  8.   }