Changeset 20216

Timestamp:

03/19/2012 07:09:03 PM (13 years ago)

Author:

ryan

Message:

Don't generate a query when the all_page_ids cache is an empty array. An empty array is a valid cache value when no pages are present. Avoids a useless query for sites with no pages. Props andy. see #20236

File:

• trunk/wp-includes/post.php (modified) (1 diff)

trunk/wp-includes/post.php

@@ -3125 +3125 @@
     global $wpdb;
 
-    if ( ! $page_ids = wp_cache_get('all_page_ids', 'posts') ) {
+    $page_ids = wp_cache_get('all_page_ids', 'posts');
+    if ( ! is_array( $page_ids ) ) {
         $page_ids = $wpdb->get_col("SELECT ID FROM $wpdb->posts WHERE post_type = 'page'");
         wp_cache_add('all_page_ids', $page_ids, 'posts');