From d912dbea1ccf8da1cdca9cc6fdc47d340b9827b7 Mon Sep 17 00:00:00 2001
From: Matt Mullenweg <matt@git.wordpress.org>
Date: Wed, 5 May 2004 08:00:13 +0000
Subject: [PATCH] Upgrades should run faster now.

git-svn-id: https://develop.svn.wordpress.org/trunk@1229 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-admin/upgrade-functions.php | 49 ++++++++++++++++++++++------------
 wp-admin/upgrade.php           | 10 +++++++
 2 files changed, 42 insertions(+), 17 deletions(-)

diff --git a/wp-admin/upgrade-functions.php b/wp-admin/upgrade-functions.php
index c578e86488..f94a7317fd 100644
--- a/wp-admin/upgrade-functions.php
+++ b/wp-admin/upgrade-functions.php
@@ -553,11 +553,13 @@ function upgrade_100() {
 			('$gid', '$oid', '$seq')");
 	}
 	// Get the title and ID of every post, post_name to check if it already has a value
-	$posts = $wpdb->get_results("SELECT ID, post_title, post_name FROM $tableposts");
-	foreach($posts as $post) {
-		if ('' == $post->post_name) { 
-			$newtitle = sanitize_title($post->post_title);
-			$wpdb->query("UPDATE $tableposts SET post_name = '$newtitle' WHERE ID = '$post->ID'");
+	$posts = $wpdb->get_results("SELECT ID, post_title, post_name FROM $tableposts WHERE post_name = ''");
+	if ($posts) {
+		foreach($posts as $post) {
+			if ('' == $post->post_name) { 
+				$newtitle = sanitize_title($post->post_title);
+				$wpdb->query("UPDATE $tableposts SET post_name = '$newtitle' WHERE ID = '$post->ID'");
+			}
 		}
 	}
 	
@@ -623,19 +625,32 @@ function upgrade_100() {
 		INDEX ( `post_id` , `category_id` )
 		)
 		");
-	$allposts = $wpdb->get_results("SELECT ID, post_category FROM $tableposts");
-	foreach ($allposts as $post) {
-		// Check to see if it's already been imported
-		$cat = $wpdb->get_row("SELECT * FROM $tablepost2cat WHERE post_id = $post->ID AND category_id = $post->post_category");
-		if (!$cat && 0 != $post->post_category) { // If there's no result
-			$wpdb->query("
-				INSERT INTO $tablepost2cat
-				(post_id, category_id)
-				VALUES
-				('$post->ID', '$post->post_category')
-				");
+
+	$done_ids = $wpdb->get_results("SELECT DISTINCT post_id FROM $tablepost2cat");
+	if ($done_ids) :
+		foreach ($done_ids as $done_id) :
+			$done_posts[] = $done_id->post_id;
+		endforeach;
+		$catwhere = ' AND ID NOT IN (' . implode(',', $done_posts) . ')';
+	else:
+		$catwhere = '';
+	endif;
+	
+	$allposts = $wpdb->get_results("SELECT ID, post_category FROM $tableposts WHERE post_category != '0' $catwhere");
+	if ($allposts) :
+		foreach ($allposts as $post) {
+			// Check to see if it's already been imported
+			$cat = $wpdb->get_row("SELECT * FROM $tablepost2cat WHERE post_id = $post->ID AND category_id = $post->post_category");
+			if (!$cat && 0 != $post->post_category) { // If there's no result
+				$wpdb->query("
+					INSERT INTO $tablepost2cat
+					(post_id, category_id)
+					VALUES
+					('$post->ID', '$post->post_category')
+					");
+			}
 		}
-	}
+	endif;
 }
 
 function upgrade_101() {
diff --git a/wp-admin/upgrade.php b/wp-admin/upgrade.php
index 6f70d79aea..027f0a7368 100644
--- a/wp-admin/upgrade.php
+++ b/wp-admin/upgrade.php
@@ -2,6 +2,7 @@
 $_wp_installing = 1;
 if (!file_exists('../wp-config.php')) die("There doesn't seem to be a wp-config.php file. Double check that you updated wp-config-sample.php with the proper database connection information and renamed it to wp-config.php.");
 require('../wp-config.php');
+timer_start();
 require('upgrade-functions.php');
 
 $step = $_GET['step'];
@@ -54,6 +55,15 @@ switch($step) {
 ?> 
 <h2>Step 1</h2> 
 <p>There's actually only one step. So if you see this, you're done. <a href="../">Have fun</a>! </p>
+
+<!--
+<pre>
+<?php echo $wpdb->num_queries; ?> queries
+
+<?php timer_stop(1); ?> seconds
+</pre>
+-->
+
 <?php
 	break;
 }