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From "Volodymyr Vysotskyi (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (DRILL-6713) Infinite loop when retrieving decimal value with scale = -1
Date Wed, 05 Sep 2018 18:37:00 GMT

     [ https://issues.apache.org/jira/browse/DRILL-6713?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Volodymyr Vysotskyi resolved DRILL-6713.
----------------------------------------
       Resolution: Fixed
         Assignee: Volodymyr Vysotskyi
    Fix Version/s: 1.15.0

Fixed in the scope of DRILL-6710

> Infinite loop when retrieving decimal value with scale = -1
> -----------------------------------------------------------
>
>                 Key: DRILL-6713
>                 URL: https://issues.apache.org/jira/browse/DRILL-6713
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Client - C++
>    Affects Versions: 1.14.0
>            Reporter: Rob Wu
>            Assignee: Volodymyr Vysotskyi
>            Priority: Major
>             Fix For: 1.15.0
>
>
>  
> The server returns scale value of -1 for this query
> select cast('999999999999999999' as decimal(18,0)) + cast('9999999999999999999999999999999999999'
as decimal(38,0)) from (values(1))
>  
> The getValueAt() function did not take into account of the possibility of -1 scale and
will go into infinite loop of appending 0 to the string buffer.
> [https://github.com/apache/drill/blob/1.14.0/contrib/native/client/src/include/drill/recordBatch.hpp#L752]
>  
> This can be reproduced query submitter.



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