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From "Gunther Hagleitner (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-16068) BloomFilter expectedEntries not always using NDV when it's available during runtime filtering
Date Wed, 01 Mar 2017 04:34:45 GMT

    [ https://issues.apache.org/jira/browse/HIVE-16068?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15889487#comment-15889487
] 

Gunther Hagleitner commented on HIVE-16068:
-------------------------------------------

+1

> BloomFilter expectedEntries not always using NDV when it's available during runtime filtering
> ---------------------------------------------------------------------------------------------
>
>                 Key: HIVE-16068
>                 URL: https://issues.apache.org/jira/browse/HIVE-16068
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Jason Dere
>            Assignee: Jason Dere
>         Attachments: HIVE-16068.1.patch
>
>
> The current logic only uses NDV if it's the only ColumnStat available, but it looks like
there can sometimes be other ColStats in the semijoin Select operator.



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