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