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From "Alexander Pivovarov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-8211) Tez and Vectorization of SUM(timestamp) not vectorized -- can't execute correctly because aggregation output is double
Date Thu, 14 May 2015 05:58:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-8211?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14543249#comment-14543249
] 

Alexander Pivovarov commented on HIVE-8211:
-------------------------------------------

correction
{code}
select cast(cast('2015-05-14 23:20:34.123456789' as timestamp) as double);
OK
1.4316708341234567E9
{code}

> Tez and Vectorization of SUM(timestamp) not vectorized -- can't execute correctly because
aggregation output is double
> ----------------------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-8211
>                 URL: https://issues.apache.org/jira/browse/HIVE-8211
>             Project: Hive
>          Issue Type: Bug
>          Components: Tez, Vectorization
>            Reporter: Matt McCline
>            Assignee: Matt McCline
>
> Vectorization of SUM(timestamp) is currently turned off because the output of aggregation
is a double (DoubleColumnVector) and the execution code is expecting a long (LongColumnVector).



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