Ticket #14821: 14821.patch

post.php

@@ -4089 +4089 @@
 
         update_post_cache($posts);
 
-        $post_ids = array();
-        foreach ( $posts as $post )
+        $post_ids = $post_types = array();
+        foreach ( $posts as $post ) {
                 $post_ids[] = $post->ID;
+                $post_types[] = $post->post_type;
+        }
 
         if ( empty($post_type) )
-                $post_type = 'post';
+                $post_type = array_unique( $post_types );
+        else if ( 'any' == $post_type )
+                $post_type = array_unique( $post_types );
+        else if ( !is_array( $post_type ) )
+                $post_type = array( $post_type );
 
-        if ( !is_array($post_type) && 'any' != $post_type && $update_term_cache )
-                update_object_term_cache($post_ids, $post_type);
+        if ( $update_term_cache ) {
+                foreach ( $post_type as $type )
+                        update_object_term_cache($post_ids, $type);
+        }
 
         if ( $update_meta_cache )
                 update_postmeta_cache($post_ids);