我无法使用地理来计算使用我的表格格式的英里距离.
两个位置的纬度和经度并排:
id | A_Latitude | A_Longitude | B_Latitude | B_Longitude
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我试图让的地步A,与点一起B,并返回之间的距离A,并B以英里.
我尝试了一些东西,包括类似的东西:
DECLARE @orig geography
DECLARE @end geography
SELECT
@orig = geography::Point(A_LATITUDE, A_LONGITUDE, 4326)
,@end = geography::Point(B_LATITUDE, B_LONGITUDE, 4326)
FROM table1
SELECT
ROUND(@END.STDistance(@ORIG)/1609.344,2) AS MILES
,@END.STDistance(@ORIG) AS METERS
,table1.*
FROM table1;
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我在所有行中获得里程和米的重复值.任何人都可以建议我应该如何构建此查询以获取我正在寻找的内容?
编辑:谢谢SQL冲浪!
WITH X AS
(SELECT
geography::Point(A_LATITUDE, A_LONGITUDE, 4326) A
,geography::Point(B_LATITUDE, B_LONGITUDE, 4326) B
,ID
FROM TABLE1)
SELECT
ROUND(X.B.STDistance(X.A)/1609.344,2) AS MILES
,X.B.STDistance(X.A) AS METERS
,T.*
FROM TABLE1 T
LEFT JOIN …Run Code Online (Sandbox Code Playgroud)