From 51b8c957ecce8f659f622950e0977734a6ac7365 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@madoka.spb.ru>
Date: Fri, 8 Feb 2008 04:45:07 +0100
Subject: [PATCH] select feeds to update randomly

---
 functions.php | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/functions.php b/functions.php
index 0b4a32a44..6fd61e4bd 100644
--- a/functions.php
+++ b/functions.php
@@ -5267,6 +5267,8 @@
 		$query_limit = "";
 		if($limit) $query_limit = sprintf("LIMIT %d", $limit);
 
+		$random_qpart = sql_random_function();
+
 		// We search for feed needing update.
 		$result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
 				SUBSTRING(ttrss_feeds.last_updated,1,19) AS last_updated,
@@ -5277,14 +5279,17 @@
 				ttrss_feeds.owner_uid = ttrss_users.id
 				AND ttrss_users.id = ttrss_user_prefs.owner_uid
 				AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
+				AND ttrss_feeds.last_updated IS NULL
 				$login_thresh_qpart $update_limit_qpart
-				 $updstart_thresh_qpart
-			ORDER BY ttrss_feeds.last_updated ASC $query_limit");
+			 $updstart_thresh_qpart
+			ORDER BY $random_qpart $query_limit");
 
 		$user_prefs_cache = array();
 
 		if($debug) _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
 
+		return;
+
 		// Here is a little cache magic in order to minimize risk of double feed updates.
 		$feeds_to_update = array();
 		while ($line = db_fetch_assoc($result)) {