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From 宋海涛 <hts...@gaojihealth.com>
Subject 答复: Re: Kylin Count(col) Result Is Different With Hive
Date Tue, 23 Oct 2018 07:15:00 GMT
Hi Ma Gang, 

 

   Thank you for your reply.   The column ‘fzy_bill_code’ is from fact
table. 

   But what do you mean about ‘enable dynamic column configuration.”

 

Thanks. 

 

发件人: Ma Gang [mailto:mg4work@163.com] 
发送时间: 2018年10月23日 15:04
收件人: user@kylin.apache.org
主题: Re:Re: Kylin Count(col) Result Is Different With Hive

 

Is the column 'fzy_bill_code' from fact table? If so, the issue should have
been fixed in https://issues.apache.org/jira/browse/KYLIN-3360, you need to
enable dynamic column configuration.

 


At 2018-10-23 14:11:46, "you Zhuang" <zhuangzixiaoyou@gmail.com> wrote:



http://apache-kylin.74782.x6.nabble.com/about-count-a-particular-column-in-k
ylin-td5579.html





On 23 Oct 2018, at 10:27 AM, Haitao SONG <htsong@gaojihealth.com> wrote:

 

 

Hi all,  

 

   Run the same sql on kylin and hive, but got different result.    It seems
kylin has count NULL as 1, but hive count it as 0. 

 

   The sql is as below: 

     select  count(fzy_bill_code) from gjst.sh_fetch_sale_base_fact where
dates between '2018-09-01' and '2018-10-18'

 

   The result on kylin is :  2889422  ,  but 2688289 on hive.     

   

      Anyone who knows the solution for this?   Thanks a lot. 

 

     Kylin Version: 2.5.0 

 

     Leo Song 



 

 

 

 


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