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Date: Thu, 5 Dec 2013 19:39:35 +0000 (UTC)
From: "Eric Hanson (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
Message-ID: <JIRA.12677818.1383760534195.79824.1386272375186@arcas>
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Subject: [jira] [Updated] (HIVE-5757) Implement vectorized support for CASE
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     [ https://issues.apache.org/jira/browse/HIVE-5757?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eric Hanson updated HIVE-5757:
------------------------------

    Attachment: HIVE-5757.1.patch

Partial patch. Works end-to-end using vectorized UDF adaptor, but has no tests yet.

> 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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