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Mysql 子查询不工作,并给出两列_Mysql - Fatal编程技术网

Mysql 子查询不工作,并给出两列

Mysql 子查询不工作,并给出两列,mysql,Mysql,我有以下疑问: 我希望子查询只返回ID,但它也返回距离。此外,我无法删除距离列,因为它用于 select * from offers offer_id in (SELECT (((acos(sin((30.1*pi()/180)) * sin((`latitude`*pi()/180)) +cos((30.1*pi()/180)) * cos((`latitude`*pi()/180)) * cos(((70.2- `longitude`)*pi()/180))))*180/pi())*60*

我有以下疑问: 我希望子查询只返回ID,但它也返回距离。此外,我无法删除距离列,因为它用于

select * from offers  offer_id in (SELECT (((acos(sin((30.1*pi()/180)) * sin((`latitude`*pi()/180))
+cos((30.1*pi()/180)) * cos((`latitude`*pi()/180))
* cos(((70.2- `longitude`)*pi()/180))))*180/pi())*60*1.1515)
as distance,id
FROM id_master HAVING distance <=4) 

我已经尝试了很多方法,但仍然不起作用。

您可以将距离表达式转换为WHERE子句,并将其从选择列表中删除

SELECT *
FROM offers
WHERE offer_id IN
(
    SELECT id
    FROM id_master
    WHERE
        (((acos(sin((30.1*pi()/180)) * sin((`latitude`*pi()/180))
        + cos((30.1*pi()/180)) * cos((`latitude`*pi()/180)) *
        cos(((70.2- `longitude`)*pi()/180))))*180/pi())*60*1.1515) <= 4
)

重新加载你的页面…我的查询中有一个恶意的距离别名,从那里我复制了你的问题。