Ticket #11423: 11423.diff

wp-includes/query.php

@@ -1986 +1986 @@
                                 }
                         }
                         $q['author_name'] = sanitize_title($q['author_name']);
-                        $q['author'] = $wpdb->get_var("SELECT ID FROM $wpdb->users WHERE user_nicename='".$q['author_name']."'");
                         $q['author'] = get_user_by('slug', $q['author_name']);
                         if ( $q['author'] )
                                 $q['author'] = $q['author']->ID;
+                        else
+                                $q['author'] = $wpdb->get_var("SELECT ID FROM $wpdb->users WHERE user_nicename='".$q['author_name']."'");
                         $whichauthor .= " AND ($wpdb->posts.post_author = ".absint($q['author']).')';
                 }
 

wp-includes/general-template.php

@@ -458 +458 @@
                 $title = $title->display_name;
         }
         if ( !empty($author_name) ) {
-                // We do a direct query here because we don't cache by nicename.
-                $title = $wpdb->get_var($wpdb->prepare("SELECT display_name FROM $wpdb->users WHERE user_nicename = %s", $author_name));
+                if ( ( $user_id = wp_cache_get($author_name, 'userslugs') ) && ( $user = wp_cache_get($user_id, 'users') ) )
+                        $title = $user->display_name;
+                else
+                        $title = $wpdb->get_var($wpdb->prepare("SELECT display_name FROM $wpdb->users WHERE user_nicename = %s", $author_name));
         }
 
         // If there's a month