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From "Eric Hanson (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-6399) bug in high-precision Decimal128 multiply
Date Wed, 12 Feb 2014 00:00:19 GMT

     [ https://issues.apache.org/jira/browse/HIVE-6399?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eric Hanson updated HIVE-6399:
------------------------------

    Attachment: HIVE-6399.02.patch

Patch with update to Decimal128.multiplyDestructive() to make it use HiveDecimal.multiply
internally, plus updated tests.

> bug in high-precision Decimal128 multiply
> -----------------------------------------
>
>                 Key: HIVE-6399
>                 URL: https://issues.apache.org/jira/browse/HIVE-6399
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Eric Hanson
>            Assignee: Eric Hanson
>             Fix For: 0.13.0
>
>         Attachments: HIVE-6399.01.patch, HIVE-6399.02.patch
>
>
> For operation -605044214913338382 * 55269579109718297360
> expected: -33440539101030154945490585226577271520
> but was:   -33440539021801992431226247633033321184
> More generally, if you run TestDecimal128.testHighPrecisionDecimal128Multiply many times,
you'll get an occasional failure. This is one example of such a failure.



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