--- feeds.install (saved version)
+++ (current document)
@@ -157,8 +157,8 @@
     'indexes' => array(
       'id' => array('id'),
       'feed_nid' => array('feed_nid'),
-      'lookup_url' => array('entity_type', 'id', 'feed_nid', array('url', 255)),
-      'lookup_guid' => array('entity_type', 'id', 'feed_nid', array('guid', 255)),
+      'lookup_url' => array('entity_type', 'id', 'feed_nid', array('url', 128)),
+      'lookup_guid' => array('entity_type', 'id', 'feed_nid', array('guid', 128)),
       'imported' => array('imported'),
     ),
   );
@@ -394,8 +394,8 @@
     'indexes' => array(
       'id' => array('id'),
       'feed_nid' => array('feed_nid'),
-      'lookup_url' => array('entity_type', 'id', 'feed_nid', array('url', 255)),
-      'lookup_guid' => array('entity_type', 'id', 'feed_nid', array('guid', 255)),
+      'lookup_url' => array('entity_type', 'id', 'feed_nid', array('url', 128)),
+      'lookup_guid' => array('entity_type', 'id', 'feed_nid', array('guid', 128)),
       'imported' => array('imported'),
     ),
   );