CREATE PROCEDURE "TestInsert" ()
BEGIN  
   DECLARE I INTEGER DEFAULT 1;

   REPEAT
      EXECUTE IMMEDIATE ''INSERT INTO GuidTable (Guid, Text)
                          VALUES (''''00e1c160-c03f-11dc-95ff-0800200c9a66'''',''''test1'''');'';

   EXCEPTION
      IF ERRORCODE()=1004 THEN
         EXECUTE IMMEDIATE ''Update GuidTable set Text = ''''test2''''
                            where Guid = ''''00e1c160-c03f-11dc-95ff-0800200c9a66'''';'';
      END IF;
   SET I = (I + 1);
   UNTIL (I > 2500) END REPEAT;

END