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Posted to issues@hive.apache.org by "Matt McCline (JIRA)" <ji...@apache.org> on 2017/06/15 15:48:00 UTC

[jira] [Commented] (HIVE-16731) Vectorization: Make "CASE WHEN (day_name='Sunday') THEN column1 ELSE null end" that involves a column name or expression THEN or ELSE vectorize

    [ https://issues.apache.org/jira/browse/HIVE-16731?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16050647#comment-16050647 ] 

Matt McCline commented on HIVE-16731:
-------------------------------------

Great!  LGTM +1 tests pending.

> Vectorization: Make "CASE WHEN (day_name='Sunday') THEN column1 ELSE null end" that involves a column name or expression THEN or ELSE vectorize
> -----------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-16731
>                 URL: https://issues.apache.org/jira/browse/HIVE-16731
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Matt McCline
>            Assignee: Teddy Choi
>            Priority: Critical
>         Attachments: HIVE-16731.1.patch
>
>
> Currently, CASE WHEN statements like that become VectorUDFAdaptor expressions.



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