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https://issues.apache.org/jira/browse/HIVE-21510?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16803017#comment-16803017
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Gopal V commented on HIVE-21510:
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Is {{(null or dt1 is not null)}} just the same as (dt1)?
> Vectorization: add support for and/or for (constant,column) cases
> -----------------------------------------------------------------
>
> Key: HIVE-21510
> URL: https://issues.apache.org/jira/browse/HIVE-21510
> Project: Hive
> Issue Type: Improvement
> Reporter: Zoltan Haindrich
> Assignee: Laszlo Bodor
> Priority: Major
>
> After HIVE-21001 some selectExpressions will start using VectorUDFAdaptor for
> "null and x" expressions. Because right now there are 2-3 places from which
> rewrite will be done to the form of "null and/or x" form; it would be better
> to support it.
> {code}
> [...]
> selectExpressions: VectorUDFAdaptor((null and dt1 is null))
> [...]
> usesVectorUDFAdaptor: true
> [...]
> {code}
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