static void addToTimestamp(String operation,StringBuilder sb){
  if (operation != null)   sb.append(operation);
  sb.append("to_timestamp(?,'YYYY-MM-DD\"T\"HH24:MI:SS.FF TZH:TZM')");
}

static void addToTimestamp ( String operation , StringBuilder sb ) { if ( operation != null ) sb . append ( operation ) ; sb . append ( "to_timestamp(?,'YYYY-MM-DD\"T\"HH24:MI:SS.FF TZH:TZM')" ) ; }
add the standard formatting for convering a bind string to a db timestamp ( this must never have a time zone ) .
