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https://issues.apache.org/jira/browse/HIVE-5604?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13805801#comment-13805801
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Jitendra Nath Pandey commented on HIVE-5604:
--------------------------------------------
Also, updated the description. The crux of the issue was that children
expressions were not being validated and that was masking some other issues as
well.
> Fix validation of nested expressions.
> -------------------------------------
>
> Key: HIVE-5604
> URL: https://issues.apache.org/jira/browse/HIVE-5604
> Project: Hive
> Issue Type: Sub-task
> Components: Vectorization
> Reporter: Jitendra Nath Pandey
> Assignee: Jitendra Nath Pandey
> Attachments: HIVE-5604.1.patch, HIVE-5604.2.patch, HIVE-5604.3.patch,
> HIVE-5604.tez.patch
>
>
> The bug fixes a few issues related to nested expressions:
> 1) The nested expressions were not being validated at all.
> 2) UDFRegExp was not handled correctly, but issue was not caught because of
> the previous issue.
> 3) HIVE-5642 will not show up when this jira is fixed, but still added a
> sanity check to validate the number of arguments.
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