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https://issues.apache.org/jira/browse/HIVE-10640?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14546259#comment-14546259
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Matt McCline commented on HIVE-10640:
-------------------------------------
I haven't fully investigated, but, previously the ExprNodeNullDesc was not
recognized by the Vectorizer class and the query was not vectorized. So, no
problem.
However, recently, Ashutosh has been working on HIVE-10327: Remove
ExprNodeNullDesc. So, this JIRA might be related to that change. Although it
was just checked in. So, I'm not sure if this is a new or old issue yet.
> Vectorized query with NULL constant throws "Unsuported vector output type:
> void" error
> ---------------------------------------------------------------------------------------
>
> Key: HIVE-10640
> URL: https://issues.apache.org/jira/browse/HIVE-10640
> Project: Hive
> Issue Type: Bug
> Components: Hive
> Affects Versions: 1.2.0
> Reporter: Matt McCline
> Assignee: Matt McCline
> Priority: Critical
> Fix For: 1.3.0
>
>
> This query from join_nullsafe.q when vectorized throws "Unsuported vector
> output type: void" during execution...
> {noformat}
> select * from myinput1 a join myinput1 b on a.key<=>b.value AND a.key is NULL;
> {noformat}
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