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https://issues.apache.org/jira/browse/HIVE-5757?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13860380#comment-13860380
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Sergey Shelukhin commented on HIVE-5757:
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This patch doesn't do what jira description lists. Also small nit on RB
> Implement vectorized support for CASE
> -------------------------------------
>
> Key: HIVE-5757
> URL: https://issues.apache.org/jira/browse/HIVE-5757
> Project: Hive
> Issue Type: Sub-task
> Affects Versions: 0.13.0
> Reporter: Eric Hanson
> Assignee: Eric Hanson
> Attachments: HIVE-5757.1.patch, HIVE-5757.2.patch, HIVE-5757.3.patch
>
>
> Implement full, end-to-end support for CASE in vectorized mode, including new
> VectorExpression class(es), VectorizationContext translation to a
> VectorExpression, and unit tests for these, as well as end-to-end ad hoc
> testing. An end-to-end .q test is recommended but optional.
> This is high priority because CASE is a fairly popular expression.
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