如何在MySQL中按公式排序

admin

如何在MySQL中按公式排序

sql

我有这个查询：

SELECT locations.id, 1609.34 * 3956 * 2 * 
            ASIN(
                SQRT(
                    POWER(
                        SIN(
                            (55.170000 - abs(locations.latitude)) 
                        * pi() / 180 / 2), 2) + 
                        COS(55.170000 * pi() / 180 ) *
                        COS(abs
                            (locations.latitude) * pi() / 180) * POWER(SIN((-7.400000 - (locations.longitude)) *  pi() / 180 / 2), 2)
            ) 
            ) as result 
        FROM locations order by result asc limit 10;

我想要的只是获取locations.id列，但同时按公式对其进行排序，这样我就可以轻松使用休眠方式。

我不想在选择结果表中包含“结果”新列。

如何在MySQL中做到这一点？

阅读 180

2021-06-07

共1个答案

admin

将您的查询换成另一个查询

SELECT 
    Location
FROM (  
    SELECT 
        locations.id as Location, 
        1609.34 * 3956 * 2 * 
                ASIN(
                    SQRT(
                        POWER(
                            SIN(
                                (55.170000 - abs(locations.latitude)) 
                            * pi() / 180 / 2), 2) + 
                            COS(55.170000 * pi() / 180 ) *
                            COS(abs
                                (locations.latitude) * pi() / 180) * POWER(SIN((-7.400000 - (locations.longitude)) *  pi() / 180 / 2), 2)
                ) 
                ) as result 
    FROM locations order by result asc limit 10
) AS L

2021-06-07