public Parser sqlSelect() {
        if (sqlSelectParser == null) {
           FutureParser future = scoped("sqlSelect");
           sqlSelectParser = future;
           future.setParser(
               sequence(
                   choice(
                       token("SELECT"),
                       sequence(
                           token("DECLARE"),
                           optional(
                               skipto(
                                   token("SELECT")
                               )
                           ),
                           token("SELECT")
                       )
                   ),
                   optional(
                       skipto(
                           token("FROM")
                       )
                   ),
                   token("FROM"),
                   optional(
                       sequence(
                           identifier(),
                           token(".")
                       )
                   ),
                   tableName()
               )
           );
        }

        return sqlSelectParser;
    }