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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (KYLIN-3946) No cube for AVG measure after include count column
Date Thu, 11 Apr 2019 06:02:00 GMT


ASF GitHub Bot commented on KYLIN-3946:

Wayne1c commented on pull request #593: KYLIN-3946 Fix count column compatibility
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> No cube for AVG measure after include count column
> --------------------------------------------------
>                 Key: KYLIN-3946
>                 URL:
>             Project: Kylin
>          Issue Type: Bug
>          Components: Query Engine
>            Reporter: Chao Long
>            Assignee: Chao Long
>            Priority: Major
>             Fix For: v2.6.2
> Before, avg(col) will use sum(col)/count(1) to calculate.
> After including count column aggregation KYLIN-3883, avg(col) will use sum(col)/count(col)
to calculate. 
> If there is no predefined count(col) measure, query with avg(col) will get exception
"NoRealizationFoundException: No realization found for OLAPContext", which will effect the
query on old cubes. So we should consider compatibility.

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