计算Hadoop Hive中多列的平均值(Calculating an Average across multiple columns in Hadoop Hive)
我试图在Hive中计算平均三列，但没有运气。 以下是我的代码。
select c.university_name, c.country, AVG(c.world_rank) as AvgC, AVG(s.world_rank) as AvgS, AVG(t.world_rank) as AvgT, SUM(AvgC+AvgS+AvgT)/3 as TotalAvg from cwur c join shanghai s on (c.university_name = s.university_name and c.year = s.year) join times t on (c.university_name = t.university_name and c.year = t.year)Hive甚至能够在三个计算列上进行平均吗？
I am trying to calculate an average of three columns in Hive but with no luck. Below is my code.
select c.university_name, c.country, AVG(c.world_rank) as AvgC, AVG(s.world_rank) as AvgS, AVG(t.world_rank) as AvgT, SUM(AvgC+AvgS+AvgT)/3 as TotalAvg from cwur c join shanghai s on (c.university_name = s.university_name and c.year = s.year) join times t on (c.university_name = t.university_name and c.year = t.year)Is Hive even capable of averaging across three calculated columns?
原文：https://stackoverflow.com/questions/36958985
更新时间：2023-09-25 20:09
最满意答案
将domain.com/mydomain/file.extention更改为domain.com/file.extention
以此为例
RewriteRule ^mydomain/(.+)$ http://www.domain.com/ [R=301,L]但是，如果您仅针对某些页面重定向工作，请检查是否清除了浏览器缓存或使用其他缓存
Changing domain.com/mydomain/file.extention to domain.com/file.extention
use this for example
RewriteRule ^mydomain/(.+)$ http://www.domain.com/ [R=301,L]But if you redirects working just for some pages check that you clear browser cache or use another one instead
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