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https://issues.apache.org/jira/browse/HIVE-5583?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13815362#comment-13815362
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Eric Hanson commented on HIVE-5583:
-----------------------------------
You're right. However, the Vectorizer class already refuses to vectorize any
query that contains NULL as a literal. So the code works correctly by dropping
back to row-at-a-time mode. I'll edit the code to remove the misleading comment
and unnecessary null handling.
> Implement support for IN (list-of-constants) filter in vectorized mode
> ----------------------------------------------------------------------
>
> Key: HIVE-5583
> URL: https://issues.apache.org/jira/browse/HIVE-5583
> Project: Hive
> Issue Type: Sub-task
> Components: Query Processor
> Affects Versions: 0.13.0
> Reporter: Eric Hanson
> Assignee: Eric Hanson
> Fix For: 0.13.0
>
> Attachments: HIVE-5583.1.patch.txt, HIVE-5583.3.patch,
> HIVE-5583.4.patch
>
>
> Implement optimized, vectorized support for filters of this form:
> column IN (constant1, ... constantN)
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