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Posted to issues@hive.apache.org by "Teddy Choi (JIRA)" <ji...@apache.org> on 2017/07/12 04:02:01 UTC

[jira] [Commented] (HIVE-16977) Vectorization: Vectorize expressions in THEN/ELSE branches of IF/CASE WHEN

    [ https://issues.apache.org/jira/browse/HIVE-16977?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16083403#comment-16083403 ] 

Teddy Choi commented on HIVE-16977:
-----------------------------------

It looks like HIVE-16731 already solved this issue, too. It allows not only null values, but also other expressions.

> Vectorization: Vectorize expressions in THEN/ELSE branches of IF/CASE WHEN
> --------------------------------------------------------------------------
>
>                 Key: HIVE-16977
>                 URL: https://issues.apache.org/jira/browse/HIVE-16977
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>            Reporter: Matt McCline
>            Assignee: Teddy Choi
>            Priority: Critical
>
> VectorUDFAdaptor(CASE WHEN ((_col2 > 0)) THEN ((UDFToDouble(_col3) / UDFToDouble(_col2)) BETWEEN 0.6666666666666666 AND 1.5) ...
> The expression in the THEN is not permitted.   Only columns or constants are vectorized.



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