--- includes/database.pgsql.inc.orig	2008-10-09 22:17:54.000000000 +0400
+++ includes/database.pgsql.inc	2008-10-09 22:12:12.000000000 +0400
@@ -340,7 +340,7 @@
  *  Encoded data.
  */
 function db_encode_blob($data) {
-  return "'". pg_escape_bytea($data) ."'";
+  return "E'". pg_escape_bytea($data) ."'";
 }
 
 /**