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From "Edward Capriolo (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HIVE-3108) SELECT count(DISTINCT col) ... returns 0 if "col" is a partition column
Date Thu, 28 Jun 2012 03:51:44 GMT

     [ https://issues.apache.org/jira/browse/HIVE-3108?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Edward Capriolo resolved HIVE-3108.
-----------------------------------

    Resolution: Duplicate
    
> SELECT count(DISTINCT col) ... returns 0 if "col" is a partition column
> -----------------------------------------------------------------------
>
>                 Key: HIVE-3108
>                 URL: https://issues.apache.org/jira/browse/HIVE-3108
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.8.0, 0.9.0
>         Environment: Mac OSX running Apache distribution of hadoop and hive natively.
>            Reporter: Dean Wampler
>              Labels: Hive
>
> Suppose "stocks" is a managed OR external table, partitioned by "exchange" and "symbol".
"count(DISTINCT x)" returns 0 for either "exchange", "symbol", or both:
> hive> SELECT count(DISTINCT exchange), count(DISTINCT symbol) from stocks;
> 0  0

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