Stringsql="select rr.user_group_id, rre.ext_type, rre.ext_name, avg(rre.ext_score) ext_score, sum(rre.ext_score) ext_score_sum from fc_review_record rr, fc_review_record_ext rre where rre.record_id = rr.id and rr.review_id = "+review_id+" and rr.review_round = "+review_round+" group by rr.user_group_id, rre.ext_type, rre.ext_name";