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From "Matt McCline (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-16110) Vectorization: Support 2 Value CASE WHEN instead of fall back to VectorUDFAdaptor
Date Sun, 19 Mar 2017 19:31:41 GMT

    [ https://issues.apache.org/jira/browse/HIVE-16110?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15931899#comment-15931899
] 

Matt McCline commented on HIVE-16110:
-------------------------------------

Committed to master.

> Vectorization: Support 2 Value CASE WHEN instead of fall back to VectorUDFAdaptor
> ---------------------------------------------------------------------------------
>
>                 Key: HIVE-16110
>                 URL: https://issues.apache.org/jira/browse/HIVE-16110
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>            Reporter: Matt McCline
>            Assignee: Matt McCline
>            Priority: Critical
>             Fix For: 2.2.0
>
>         Attachments: HIVE-16110.01.patch, HIVE-16110.02.patch, HIVE-16110.03.patch, HIVE-16110.04.patch,
HIVE-16110.05.patch
>
>
> Vectorize more queries by converting a GenericUDFWhen that has 2 values that are either
a column or a constant into a GenericUDFIf, which has  vectorized classes.  This eliminates
one case so to speak where we use the VectorUDFAdaptor.



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