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Posted to dev@hive.apache.org by "Matt McCline (JIRA)" <ji...@apache.org> on 2014/09/15 03:32:33 UTC

[jira] [Updated] (HIVE-8092) Vectorized Tez count(*) returns NULL instead of 0 when result is empty

     [ https://issues.apache.org/jira/browse/HIVE-8092?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matt McCline updated HIVE-8092:
-------------------------------
    Summary: Vectorized Tez count(*) returns NULL instead of 0 when result is empty  (was: count(*) returns NULL instead of 0 when result is empty)

> Vectorized Tez count(*) returns NULL instead of 0 when result is empty
> ----------------------------------------------------------------------
>
>                 Key: HIVE-8092
>                 URL: https://issues.apache.org/jira/browse/HIVE-8092
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Matt McCline
>            Assignee: Matt McCline
>            Priority: Critical
>         Attachments: HIVE-8092.01.patch, HIVE-8092.02.patch, HIVE-8092.03.patch, HIVE-8092.04.patch
>
>
> In tez mode when vectorization is enabled, count returns NULL when result is empty.
> Expected behavior: It should return 0
> count works as expected when vectorization is off



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