mysql中的 case when 用法(张艳冲的博客)
2012-03-29 14:31
477 查看
$sql = "SELECT A.id,A.ads_name,B.link_person AS
user_name,A.cost_type,
CASE
WHEN A.cost_type = '1' THEN
A.min_cpc_price
WHEN A.cost_type = '2' THEN
A.min_cpm_price
WHEN A.cost_type = '3' THEN
A.cpa_price
ELSE A.cps_pecent
END AS price,
A.push_begin_time,A.push_end_time
FROM lm_commercial_info A
LEFT JOIN lm_user_info B ON B.id =
A.user_id
LEFT JOIN lm_commercial_ceativity_info C ON
C.commercial_id = A.id
LEFT JOIN lm_commercial_push_target D ON
D.commercial_id = A.id";
认真看一下吧
user_name,A.cost_type,
CASE
WHEN A.cost_type = '1' THEN
A.min_cpc_price
WHEN A.cost_type = '2' THEN
A.min_cpm_price
WHEN A.cost_type = '3' THEN
A.cpa_price
ELSE A.cps_pecent
END AS price,
A.push_begin_time,A.push_end_time
FROM lm_commercial_info A
LEFT JOIN lm_user_info B ON B.id =
A.user_id
LEFT JOIN lm_commercial_ceativity_info C ON
C.commercial_id = A.id
LEFT JOIN lm_commercial_push_target D ON
D.commercial_id = A.id";
认真看一下吧
相关文章推荐
- 关于mysql的case when用法
- mysql操作查询结果case when then else end用法举例
- 转mysql CASE WHEN的基础和多种用法
- mysql case when 基础用法
- MySql-中-case-when-then-else-end-的用法
- mysql中case when的用法
- Mysql 数据库case when then else end语句用法
- MySql 中 case when then else end 的用法
- MySql 中 case when then else end 的用法
- MySql 中 case when then else end 条件控制语句的用法
- mysql 中的case 和when的简单用法
- MySql 中 case when then else end 的用法
- MySQL case when then else end 用法
- mysql中case..when..then..else..end的两种用法介绍
- mysql中case when用法
- mysql操作查询结果case when then用法举例
- mysql CASE WHEN的基础和多种用法
- mysql操作查询结果case when then else end用法举例
- MySQL- Case When 用法
- MySql 中 case when then else end 的用法