Index: branches/release-41/lib/MT/ObjectDriver/DDL/SQLite.pm
===================================================================
--- branches/release-41/lib/MT/ObjectDriver/DDL/SQLite.pm (revision 1174)
+++ branches/release-41/lib/MT/ObjectDriver/DDL/SQLite.pm (revision 2700)
@@ -77,4 +77,5 @@
     }
     $sth->finish;
+    return undef unless %$defs;
 
     return $defs;