Sql 如何修复Postgres错误列不存在?

Sql 如何修复Postgres错误列不存在?,sql,postgresql,Sql,Postgresql,我对postgress db有以下查询 SELECT id, address, dblong, dblat, 111* DEGREES(ACOS(COS(RADIANS(latpoint)) * COS(RADIANS(dblat)) * COS(RADIANS(longpoint) - RADIANS(dblong)) +

我对postgress db有以下查询

SELECT id,
       address, 
       dblong,  
       dblat,  
       111* DEGREES(ACOS(COS(RADIANS(latpoint)) * COS(RADIANS(dblat)) *  
                         COS(RADIANS(longpoint) - RADIANS(dblong)) +  
                         SIN(RADIANS(latpoint)) * SIN(RADIANS(dblat)))) AS distance_in_km 
FROM  
    (SELECT id, 
            address, 
            MAX(longitude) AS dblong,
            MAX(latitude) AS dblat  
     FROM doorbots  
     WHERE created_at > '%s' AND created_at < '%s'  
     GROUP BY 1) AS s  
JOIN 
  (SELECT %s AS latpoint, %s AS longpoint) AS p ON 1=1  
WHERE distance_in_km < %s  
GROUP BY 1;
我不明白如何修复以下错误: 列距离(单位:km)不存在?

应该有效:

with q as (
SELECT id,
       address, 
       dblong,  
       dblat,  
       111* DEGREES(ACOS(COS(RADIANS(latpoint)) * COS(RADIANS(dblat)) *  
                         COS(RADIANS(longpoint) - RADIANS(dblong)) +  
                         SIN(RADIANS(latpoint)) * SIN(RADIANS(dblat)))) AS distance_in_km 
FROM  
    (SELECT id, 
            address, 
            MAX(longitude) AS dblong,
            MAX(latitude) AS dblat  
     FROM doorbots  
     WHERE created_at > '%s' AND created_at < '%s'  
     GROUP BY 1) AS s  
JOIN 
  (SELECT %s AS latpoint, %s AS longpoint) AS p ON 1=1  
)
select * from q
WHERE distance_in_km < %s  
GROUP BY 1;
这应该是可行的:

with q as (
SELECT id,
       address, 
       dblong,  
       dblat,  
       111* DEGREES(ACOS(COS(RADIANS(latpoint)) * COS(RADIANS(dblat)) *  
                         COS(RADIANS(longpoint) - RADIANS(dblong)) +  
                         SIN(RADIANS(latpoint)) * SIN(RADIANS(dblat)))) AS distance_in_km 
FROM  
    (SELECT id, 
            address, 
            MAX(longitude) AS dblong,
            MAX(latitude) AS dblat  
     FROM doorbots  
     WHERE created_at > '%s' AND created_at < '%s'  
     GROUP BY 1) AS s  
JOIN 
  (SELECT %s AS latpoint, %s AS longpoint) AS p ON 1=1  
)
select * from q
WHERE distance_in_km < %s  
GROUP BY 1;

在where子句中只使用整个公式而不是别名,或者在where子句中只使用整个公式而不是别名,或者在where子句中使用CTE或子查询而不是别名