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https://issues.apache.org/jira/browse/HIVE-5757?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13840474#comment-13840474
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Eric Hanson commented on HIVE-5757:
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Correction. There is a test, but still need .q.out file for test.
> Implement vectorized support for CASE
> -------------------------------------
>
> Key: HIVE-5757
> URL: https://issues.apache.org/jira/browse/HIVE-5757
> Project: Hive
> Issue Type: Sub-task
> Reporter: Eric Hanson
> Assignee: Eric Hanson
> Attachments: HIVE-5757.1.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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