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https://issues.apache.org/jira/browse/HIVE-16511?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16191721#comment-16191721
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Vineet Garg commented on HIVE-16511:
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Created review request : [Review Request|https://reviews.apache.org/r/62776/].
[~ashutoshc] can you take a look?
[~teddy.choi] This patch also touches vectorization code you recently added so
can you take a look at it too?
> CBO looses inner casts on constants of complex type
> ---------------------------------------------------
>
> Key: HIVE-16511
> URL: https://issues.apache.org/jira/browse/HIVE-16511
> Project: Hive
> Issue Type: Bug
> Components: CBO, Query Planning
> Reporter: Ashutosh Chauhan
> Assignee: Vineet Garg
> Attachments: HIVE-16511.1.patch, HIVE-16511.2.patch
>
>
> type for map <10, cast(null as int)> becomes map <int,string>
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