+ warning_like {
+ ($status, $msg) = $tix->FromSQL("Requestor.Signature LIKE 'foo'");
+ } qr/Invalid watcher subfield: 'Signature'/;
+ ok(!$status, "invalid query - Signature not valid") or diag("error: $msg");
+
+ ($status, $msg) = $tix->FromSQL("Requestor.EmailAddress LIKE 'jesse'");