private Connection connection() {
        if (conn == null) {
            if (connProvider != null) {
                conn = connProvider.get();
            } else {
                throw new IllegalStateException("No connection provided");
            }
        }
        return conn;
    }
Get the results as a JDBC ResultSet

@return results as ResultSet
querydsl-sql/src/main/java/com/querydsl/sql/AbstractSQLQuery.java