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https://issues.apache.org/jira/browse/ARROW-1761?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Antoine Pitrou updated ARROW-1761:
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Fix Version/s: 2.0.0
> [C++] Multi argument operator kernel behavior for decimal columns
> -----------------------------------------------------------------
>
> Key: ARROW-1761
> URL: https://issues.apache.org/jira/browse/ARROW-1761
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++, Java
> Affects Versions: 0.7.1
> Reporter: Phillip Cloud
> Assignee: Phillip Cloud
> Priority: Major
> Fix For: 2.0.0
>
>
> This is a JIRA to discuss the behavior of operator kernels that require more
> than one decimal column input where the column types have a different
> {{scale}} parameter.
> For example:
> {code}
> a: decimal(12, 2)
> b: decimal(10, 3)
> c = a + b
> {code}
> Arithmetic is the primary use case, but anything that needs to efficiently
> operate on decimal columns with different scales would require this
> functionality.
> I imagine that [~jnadeau] and folks at Dremio have thought about and solved
> the problem in Java. If so, we should consider implementing this behavior in
> C++. Otherwise, I'll do a bit of reading and digging to see how existing
> systems efficiently handle this problem.
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