I have applied the below patch (see below link) so the views module will add the following channel properties of pubDate and lastBuildDate. After applying the patch and after running Drupal "Clear all caches" within /admin/config/development/performance these added channel properties are only available for the first page requested and they will not be available until after running another Drupal "Clear all caches". For Drupal 7 how can I ensure that views RSS channel properties that are added within hook_views_query_alter() remain?

https://www.drupal.org/files/views-2037185-display_pubDate_and_lastBuildDate...

Thanks, John J. Mitchell