Ticket #21309: 21309-ancestors-cache.diff

wp-includes/post.php

@@ -4475 +4475 @@
 
         wp_cache_delete( $post->ID, 'posts' );
         wp_cache_delete( $post->ID, 'post_meta' );
+        wp_cache_delete( $post->ID, 'post_ancestors' );
 
         clean_object_term_cache( $post->ID, $post->post_type );
 

wp-includes/load.php

@@ -410 +410 @@
 
         if ( function_exists( 'wp_cache_add_global_groups' ) ) {
                 wp_cache_add_global_groups( array( 'users', 'userlogins', 'usermeta', 'user_meta', 'site-transient', 'site-options', 'site-lookup', 'blog-lookup', 'blog-details', 'rss', 'global-posts' ) );
-                wp_cache_add_non_persistent_groups( array( 'comment', 'counts', 'plugins', 'post_ancestors' ) );
+                wp_cache_add_non_persistent_groups( array( 'comment', 'counts', 'plugins' ) );
         }
 }