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From "Tony Murphy (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-4714) Vectorized Sum of negative numbers returns positive result when negative expected
Date Tue, 11 Jun 2013 18:54:20 GMT

     [ https://issues.apache.org/jira/browse/HIVE-4714?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tony Murphy updated HIVE-4714:
------------------------------

    Attachment: sum_data.zip
    
> Vectorized Sum of negative numbers returns positive result when negative expected 
> ----------------------------------------------------------------------------------
>
>                 Key: HIVE-4714
>                 URL: https://issues.apache.org/jira/browse/HIVE-4714
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Tony Murphy
>         Attachments: sum_data.zip
>
>
> Expected: -5701157.669591231
> Actual: 5701157.663489044
> {noformat}
> drop table LINEITEM_ORC;
> create external table LINEITEM_ORC(L_DISCOUNT float ) 
> ROW FORMAT SERDE 'org.apache.hadoop.hive.ql.io.orc.OrcSerde'
>             STORED AS
>                 INPUTFORMAT 'org.apache.hadoop.hive.ql.io.orc.CommonOrcInputFormat'
>                 OUTPUTFORMAT 'org.apache.hadoop.hive.ql.io.orc.OrcOutputFormat';
> {noformat}
> {noformat}
> SELECT Sum(1 - l_discount) FROM   Lineitem_orc
> {noformat}

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