fix getCategoryCounters() for categories with no unread messages

diff --git a/backend.php b/backend.php
index 7df13c0aeb057cff283328d40e5b7d3ee0a555ea..a4d604179db068d83c9ba677be7282effa49b37c 100644 (file)
--- a/backend.php
+++ b/backend.php
@@ -68,7 +68,10 @@
        function getCategoryCounters($link) {
                $result = db_query($link, "SELECT COUNT(int_id) AS unread,cat_id 
                        FROM ttrss_user_entries,ttrss_feeds WHERE unread = true AND feed_id = id
-                               AND ttrss_feeds.owner_uid = ".$_SESSION["uid"]." GROUP BY cat_id");
+                               AND ttrss_feeds.owner_uid = ".$_SESSION["uid"]." GROUP BY cat_id
+                       UNION
+                       SELECT 0,cat_id FROM ttrss_feeds 
+                       WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]." GROUP BY cat_id");
 
                while ($line = db_fetch_assoc($result)) {
                        $line["cat_id"] = sprintf("%d", $line["cat_id"]);