|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16 |
1. 这条语句主要是用来修复一个表中的数据 ， 在另一个统计表中没有统计时，进行修改统计表的操作<br> update
expert_count ec inner
join
( select
sum(e.EFFECT_SCORE) es_count, sum(e.ATTITUDE_SCORE) as_count, sum(e.PROMOTE_REASONABLE_SCORE) pro_count, sum(e.PRICE_REASONABLE_SCORE) pri_count, sum(e.ENVIRONMENT_SCORE) env_count, count(e.effect_score) count_sum, expert_id from
evaluation e group
by
expert_id ) count_result on
ec.expert_id = count_result.expert_id set
ec.received_evaluation_count = count_result.count_sum , ec.EFFECT_SCORE = count_result.es_count, ec.ATTITUDE_SCORE = count_result.as_count, ec.PROMOTE_REASONABLE_SCORE = count_result.pro_count, ec.PRICE_REASONABLE_SCORE = count_result.pri_count, ec.ENVIRONMENT_SCORE = count_result.env_count ; |
原文：http://www.cnblogs.com/ytfcz/p/3533136.html