<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head><meta http-equiv="content-type" content="text/html; charset=utf-8" /><style type="text/css"><!--
#msg dl { border: 1px #006 solid; background: #369; padding: 6px; color: #fff; }
#msg dt { float: left; width: 6em; font-weight: bold; }
#msg dt:after { content:':';}
#msg dl, #msg dt, #msg ul, #msg li, #header, #footer { font-family: verdana,arial,helvetica,sans-serif; font-size: 10pt;  }
#msg dl a { font-weight: bold}
#msg dl a:link    { color:#fc3; }
#msg dl a:active  { color:#ff0; }
#msg dl a:visited { color:#cc6; }
h3 { font-family: verdana,arial,helvetica,sans-serif; font-size: 10pt; font-weight: bold; }
#msg pre { overflow: auto; background: #ffc; border: 1px #fc0 solid; padding: 6px; }
#msg ul, pre { overflow: auto; }
#header, #footer { color: #fff; background: #636; border: 1px #300 solid; padding: 6px; }
#patch { width: 100%; }
#patch h4 {font-family: verdana,arial,helvetica,sans-serif;font-size:10pt;padding:8px;background:#369;color:#fff;margin:0;}
#patch .propset h4, #patch .binary h4 {margin:0;}
#patch pre {padding:0;line-height:1.2em;margin:0;}
#patch .diff {width:100%;background:#eee;padding: 0 0 10px 0;overflow:auto;}
#patch .propset .diff, #patch .binary .diff  {padding:10px 0;}
#patch span {display:block;padding:0 10px;}
#patch .modfile, #patch .addfile, #patch .delfile, #patch .propset, #patch .binary, #patch .copfile {border:1px solid #ccc;margin:10px 0;}
#patch ins {background:#dfd;text-decoration:none;display:block;padding:0 10px;}
#patch del {background:#fdd;text-decoration:none;display:block;padding:0 10px;}
#patch .lines, .info {color:#888;background:#fff;}
--></style>
<title>[16137] trunk/wp-admin/includes/class-wp-ms-sites-list-table.php:
  For large networks,
  show the latest registered blogs without paging to avoid expensive count queries
 .</title>
</head>
<body>

<div id="msg">
<dl>
<dt>Revision</dt> <dd><a href="http://trac.wordpress.org/changeset/16137">16137</a></dd>
<dt>Author</dt> <dd>ryan</dd>
<dt>Date</dt> <dd>2010-11-01 17:53:03 +0000 (Mon, 01 Nov 2010)</dd>
</dl>

<h3>Log Message</h3>
<pre>For large networks, show the latest registered blogs without paging to avoid expensive count queries. see <a href="http://trac.wordpress.org/ticket/15170">#15170</a></pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkwpadminincludesclasswpmssiteslisttablephp">trunk/wp-admin/includes/class-wp-ms-sites-list-table.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkwpadminincludesclasswpmssiteslisttablephp"></a>
<div class="modfile"><h4>Modified: trunk/wp-admin/includes/class-wp-ms-sites-list-table.php (16136 => 16137)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-admin/includes/class-wp-ms-sites-list-table.php        2010-11-01 16:30:27 UTC (rev 16136)
+++ trunk/wp-admin/includes/class-wp-ms-sites-list-table.php        2010-11-01 17:53:03 UTC (rev 16137)
</span><span class="lines">@@ -32,6 +32,17 @@
</span><span class="cx">                 $s = isset( $_REQUEST['s'] ) ? stripslashes( trim( $_REQUEST[ 's' ] ) ) : '';
</span><span class="cx">                 $like_s = esc_sql( like_escape( $s ) );
</span><span class="cx"> 
</span><ins>+                $large_network = false;
+                // If the network is large and a search is not being performed, show only the latest blogs with no paging in order
+                // to avoid expensive count queries.
+                if ( !$s &amp;&amp; ( get_blog_count() &gt;= 10000 ) ) {
+                        if ( !isset($_REQUEST['orderby']) )
+                                $_GET['orderby'] = $_REQUEST['orderby'] = 'registered';
+                        if ( !isset($_REQUEST['order']) )
+                                $_GET['order'] = $_REQUEST['order'] = 'DESC';
+                        $large_network = true;
+                }
+
</ins><span class="cx">                 $query = &quot;SELECT * FROM {$wpdb-&gt;blogs} WHERE site_id = '{$wpdb-&gt;siteid}' &quot;;
</span><span class="cx"> 
</span><span class="cx">                 if ( isset( $_REQUEST['searchaction'] ) ) {
</span><span class="lines">@@ -63,11 +74,16 @@
</span><span class="cx">                 $order = ( isset( $_REQUEST['order'] ) &amp;&amp; 'DESC' == strtoupper( $_REQUEST['order'] ) ) ? &quot;DESC&quot; : &quot;ASC&quot;;
</span><span class="cx">                 $query .= $order;
</span><span class="cx"> 
</span><del>-                $total = $wpdb-&gt;get_var( str_replace( 'SELECT *', 'SELECT COUNT( blog_id )', $query ) );
</del><ins>+                // Don't do an unbounded count on large networks
+                if ( ! $large_network )
+                        $total = $wpdb-&gt;get_var( str_replace( 'SELECT *', 'SELECT COUNT( blog_id )', $query ) );
</ins><span class="cx"> 
</span><span class="cx">                 $query .= &quot; LIMIT &quot; . intval( ( $pagenum - 1 ) * $per_page ) . &quot;, &quot; . intval( $per_page );
</span><span class="cx">                 $this-&gt;items = $wpdb-&gt;get_results( $query, ARRAY_A );
</span><span class="cx"> 
</span><ins>+                if ( $large_network )
+                        $total = count($this-&gt;items);
+
</ins><span class="cx">                 $this-&gt;set_pagination_args( array(
</span><span class="cx">                         'total_items' =&gt; $total,
</span><span class="cx">                         'per_page' =&gt; $per_page,
</span></span></pre>
</div>
</div>

</body>
</html>