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From "Prasanth Jayachandran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-15351) Disable vectorized VectorUDFAdaptor usage with non-column or constant parameters
Date Sat, 03 Dec 2016 00:04:58 GMT

    [ https://issues.apache.org/jira/browse/HIVE-15351?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15716920#comment-15716920
] 

Prasanth Jayachandran commented on HIVE-15351:
----------------------------------------------

+1, pending tests.

> Disable vectorized VectorUDFAdaptor usage with non-column or constant parameters
> --------------------------------------------------------------------------------
>
>                 Key: HIVE-15351
>                 URL: https://issues.apache.org/jira/browse/HIVE-15351
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>            Reporter: Matt McCline
>            Assignee: Matt McCline
>            Priority: Blocker
>         Attachments: HIVE-15351.01.patch
>
>
> Vectorization using VectorUDFAdaptor is broken and produces wrong results when the parameter(s)
have vectorized expressions that allocate scratch columns.  So, for now, we restrict VectorUDFAdaptor
usage to columns or constant expressions.



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