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https://issues.apache.org/jira/browse/ARROW-2177?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rok Mihevc updated ARROW-2177:
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External issue URL: https://github.com/apache/arrow/issues/18143
> [C++] Remove support for specifying negative scale values in DecimalType
> ------------------------------------------------------------------------
>
> Key: ARROW-2177
> URL: https://issues.apache.org/jira/browse/ARROW-2177
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++, Python
> Affects Versions: 0.8.0
> Reporter: Phillip Cloud
> Assignee: Phillip Cloud
> Priority: Major
> Fix For: 0.9.0
>
>
> Allowing both negative and positive scale makes it ambiguous what the scale
> of a number should be when it using exponential notation, e.g., {{0.01E3}}.
> Should that have a precision of 4 and a scale of 2 since it's specified as 2
> points to the right of the decimal and it evaluates to 10? Or a precision of
> 1 and a scale of -1?
> Current it's the latter, but I think it should be the former.
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