From f5ab587c9d7767e77eeaa12f8f7aec620f9f0b7a Mon Sep 17 00:00:00 2001
From: ryan <ryan@1a063a9b-81f0-0310-95a4-ce76da25c4cd>
Date: Wed, 3 Nov 2010 13:34:04 +0000
Subject: [PATCH] Show latest x users with no paging if on a large network. see
 #15170

git-svn-id: http://svn.automattic.com/wordpress/trunk@16160 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-admin/includes/class-wp-ms-users-list-table.php | 10 ++++++++++
 wp-includes/user.php                               | 11 +++++------
 2 files changed, 15 insertions(+), 6 deletions(-)

diff --git a/wp-admin/includes/class-wp-ms-users-list-table.php b/wp-admin/includes/class-wp-ms-users-list-table.php
index fdc41d19b..45abc6541 100644
--- a/wp-admin/includes/class-wp-ms-users-list-table.php
+++ b/wp-admin/includes/class-wp-ms-users-list-table.php
@@ -38,6 +38,16 @@ class WP_MS_Users_List_Table extends WP_List_Table {
 			'blog_id' => 0
 		);
 
+		// If the network is large and a search is not being performed, show only the latest users with no paging in order
+		// to avoid expensive count queries.
+		if ( !$usersearch && ( get_blog_count() >= 10000 ) ) {
+			if ( !isset($_REQUEST['orderby']) )
+				$_GET['orderby'] = $_REQUEST['orderby'] = 'id';
+			if ( !isset($_REQUEST['order']) )
+				$_GET['order'] = $_REQUEST['order'] = 'DESC';
+			$args['count_total'] = false;
+		}
+
 		if ( isset( $_REQUEST['orderby'] ) )
 			$args['orderby'] = $_REQUEST['orderby'];
 
diff --git a/wp-includes/user.php b/wp-includes/user.php
index 2f9b31581..373b33e84 100644
--- a/wp-includes/user.php
+++ b/wp-includes/user.php
@@ -411,11 +411,9 @@ class WP_User_Query extends WP_Object_Query {
 		// sorting
 		if ( in_array( $qv['orderby'], array('email', 'url', 'registered') ) ) {
 			$orderby = 'user_' . $qv['orderby'];
-		}
-		elseif ( 'name' == $qv['orderby'] ) {
+		} elseif ( 'name' == $qv['orderby'] ) {
 			$orderby = 'display_name';
-		}
-		elseif ( 'post_count' == $qv['orderby'] ) {
+		} elseif ( 'post_count' == $qv['orderby'] ) {
 			$where = get_posts_by_author_sql('post');
 			$this->query_from .= " LEFT OUTER JOIN (
 				SELECT post_author, COUNT(*) as post_count
@@ -425,8 +423,9 @@ class WP_User_Query extends WP_Object_Query {
 			) p ON ({$wpdb->users}.ID = p.post_author)
 			";
 			$orderby = 'post_count';
-		}
-		else {
+		} elseif ( 'id' == $qv['orderby'] ) {
+			$orderby = 'ID';
+		} else {
 			$orderby = 'user_login';
 		}