adjust queries to avoid 'Numeric value out of range' error, fixes #894

Closes #894

lib/classes/FilesSearch/FilesIndexManager.php

@@ -197,7 +197,7 @@ class FilesIndexManager
     private static function relevance($base, $modifier)
     {
         // 31556926 is the number of seconds in one year
-        return "POW( $base , ((UNIX_TIMESTAMP() - $modifier ) / 31556926)) AS relevance";
+        return "POW( $base , ((UNIX_TIMESTAMP() - CAST($modifier AS SIGNED)) / 31556926)) AS relevance";
     }
 
     /**

lib/classes/Score.class.php

@@ -25,7 +25,7 @@ class Score
         $query = "SELECT nr.range_id as user_id, COUNT(*) AS newscount
                   FROM news_range AS nr
                   INNER JOIN news AS n ON (nr.news_id = n.news_id)
-                  WHERE nr.range_id IN (?) AND (UNIX_TIMESTAMP() - n.date) <= n.expire
+                  WHERE nr.range_id IN (?) AND UNIX_TIMESTAMP() <= n.date + n.expire
                   GROUP BY nr.range_id
                   ORDER BY NULL";
         $statement = DBManager::get()->prepare($query);