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From "Eric Hanson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-5756) Implement vectorization support for IF conditional expression for long, double, timestamp, boolean and string inputs
Date Tue, 10 Dec 2013 20:28:08 GMT

    [ https://issues.apache.org/jira/browse/HIVE-5756?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13844627#comment-13844627
] 

Eric Hanson commented on HIVE-5756:
-----------------------------------

HIVE-5995 fixed the decimal_precision test failure -- that test failure was independent of
this patch. So this patch should be good to go.

> Implement vectorization support for IF conditional expression for long, double, timestamp,
boolean and string inputs
> --------------------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-5756
>                 URL: https://issues.apache.org/jira/browse/HIVE-5756
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Eric Hanson
>            Assignee: Eric Hanson
>         Attachments: HIVE-5756.1.patch, HIVE-5756.2.patch, HIVE-5756.3.patch, HIVE-5756.4.patch,
HIVE-5756.5.patch, HIVE-5756.6.patch.txt, HIVE-5756.7.patch, HIVE-5756.8.patch
>
>
> Implement full, end-to-end support for IF 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 IF is the most popular conditional expression.



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