Ticket #12989: 12989.diff

wp-includes/post.php

@@ -4011 +4011 @@
  * @uses update_postmeta_cache()
  *
  * @param array $posts Array of Post objects
+ * @param string $post_type The post type of the posts in $posts
  */
-function update_post_caches(&$posts) {
+function update_post_caches(&$posts, $post_type = 'post') {
         // No point in doing all this work if we didn't match any posts.
         if ( !$posts )
                 return;
@@ -4024 +4025 @@
         for ($i = 0; $i < count($posts); $i++)
                 $post_ids[] = $posts[$i]->ID;
 
-        update_object_term_cache($post_ids, 'post');
+        if ( empty($post_type) )
+                $post_type = 'post';
 
+        if ( !is_array($post_type) )
+                update_object_term_cache($post_ids, $post_type);
+
         update_postmeta_cache($post_ids);
 }
 

wp-includes/query.php

@@ -2497 +2497 @@
                         $this->posts[$i] = sanitize_post($this->posts[$i], 'raw');
                 }
 
-                update_post_caches($this->posts);
+                update_post_caches($this->posts, $post_type);
 
                 if ($this->post_count > 0) {
                         $this->post = $this->posts[0];