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https://issues.apache.org/jira/browse/ARROW-11631?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17655015#comment-17655015
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Ian Cook commented on ARROW-11631:
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[~thisisnic] [~paleolimbot] do you think it would be possible to get this done
for 11.0.0? In the past I think Romain was the only person who really
understood this part of the code, but I think Dewey and others might understand
it better now?
> [R] Implement RPrimitiveConverter for Decimal type
> --------------------------------------------------
>
> Key: ARROW-11631
> URL: https://issues.apache.org/jira/browse/ARROW-11631
> Project: Apache Arrow
> Issue Type: Bug
> Components: R
> Affects Versions: 3.0.0
> Reporter: Ian Cook
> Priority: Major
>
> This succeeds:
> {code:java}
> Array$create(1)$cast(decimal(10, 2)){code}
> but this fails:
> {code:java}
> Array$create(1, type = decimal(10, 2)){code}
> with error:
> {code:java}
> NotImplemented: Extend{code}
> because the {{Extend}} method of the {{RPromitiveConverter}} class for the
> Decimal type is not yet implemented.
> The error is thrown here:
> [https://github.com/apache/arrow/blob/7184c3f46981dd52c3c521b2676796e82f17da77/r/src/r_to_arrow.cpp#L601]
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