Ticket #25545: invalidate_post_cache.patch

wordpressdotorg/wp-includes/ms-functions.php

@@ -260 +260 @@
                 $reassign = (int) $reassign;
                 $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET post_author = %d WHERE post_author = %d", $reassign, $user_id) );
                 $wpdb->query( $wpdb->prepare("UPDATE $wpdb->links SET link_owner = %d WHERE link_owner = %d", $reassign, $user_id) );
+
+                $number_of_posts = 1000;
+                $paged = 0;
+                while( $posts = get_posts( array( 'author' => $reassign, 'posts_per_page' => $number_of_posts, 'paged' => $paged ) ) ) {
+                        foreach( $posts as $post) {
+                                clean_post_cache( $post );
+                        }
+                        $paged++;
+                }
         }
 
         restore_current_blog();