public C cache() {
        return addFlag(Position.AFTER_SELECT, SQL_CACHE);
    }
SQL_CACHE tells MySQL to store the result in the query cache if it is cacheable and the value
of the query_cache_type system variable is 2 or DEMAND.

@return the current object
querydsl-sql/src/main/java/com/querydsl/sql/mysql/AbstractMySQLQuery.java