0
点赞
收藏
分享

微信扫一扫

Mysql合并两个sql结果

余寿 2023-05-26 阅读 56


第一条sql及结果

SELECT
value4 AS ‘压缩机功率’,
create_date AS ‘时间’
FROM
gree_data
WHERE
data_belong = ‘External_05’
AND create_date > ‘2019-10-23 17:03:59’
ORDER BY
create_date

结果展示:

Mysql合并两个sql结果_sql

第二条sql及结果

SELECT
 value2 AS ‘工作模式’,
 value4 AS ‘室温’,
 create_date AS ‘时间’
 FROM
 gree_data
 WHERE
 data_belong = ‘Internal_18’
 AND create_date > ‘2019-10-23 17:03:59’
 ORDER BY
 create_date

结果展示:

Mysql合并两个sql结果_工作模式_02

合并结果

SELECT
 a1.压缩机功率, a2.*
 FROM
 (
 SELECT
 value4 AS ‘压缩机功率’,
 create_date AS ‘date1’
 FROM
 gree_data
 WHERE
 data_belong = ‘External_05’
 AND create_date > ‘2019-10-23 17:03:59’
 ORDER BY
 create_date
 ) a1
 LEFT JOIN (
 SELECT
 value4 AS ‘风速设定’,
 value5 AS ‘室温’,
 create_date AS ‘date2’
 FROM
 gree_data
 WHERE
 data_belong = ‘Internal_18’
 AND create_date > ‘2019-10-23 17:03:59’
 ORDER BY
 create_date
 ) a2 ON a1.date1 = a2.date2

结果展示:

Mysql合并两个sql结果_工作模式_03


举报

相关推荐

0 条评论