[jira] [Commented] (ARROW-1709) [C++] Decimal.ToString is incorrect for negative scale

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-1709?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16242828#comment-16242828 ] 

ASF GitHub Bot commented on ARROW-1709:
---------------------------------------

cpcloud opened a new pull request #1292: ARROW-1709: [C++] Decimal.ToString is incorrect for negative scale
URL: https://github.com/apache/arrow/pull/1292
 
 
   This is on top of ARROW-1716. Will rebase when that's merged.

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> [C++] Decimal.ToString is incorrect for negative scale
> ------------------------------------------------------
>
>                 Key: ARROW-1709
>                 URL: https://issues.apache.org/jira/browse/ARROW-1709
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: C++
>    Affects Versions: 0.7.1
>            Reporter: Phillip Cloud
>            Assignee: Phillip Cloud
>              Labels: pull-request-available
>             Fix For: 0.8.0
>
>
> {{Decimal128::ToString(int precision, int scale)}} doesn't handle {{scale < 0}} correctly. It should tack on an extra {{e<abs(scale)>}} to the end.



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