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Posted to jira@arrow.apache.org by "Neal Richardson (Jira)" <ji...@apache.org> on 2021/03/10 01:31:00 UTC
[jira] [Assigned] (ARROW-11880) [R] Handle empty or NULL
transmute() args properly
[ https://issues.apache.org/jira/browse/ARROW-11880?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Neal Richardson reassigned ARROW-11880:
---------------------------------------
Assignee: Ian Cook
> [R] Handle empty or NULL transmute() args properly
> --------------------------------------------------
>
> Key: ARROW-11880
> URL: https://issues.apache.org/jira/browse/ARROW-11880
> Project: Apache Arrow
> Issue Type: Bug
> Components: R
> Reporter: Ian Cook
> Assignee: Ian Cook
> Priority: Major
> Fix For: 4.0.0
>
>
> The following examples should all return results with zero columns. Check that this behavior is consistent across Tables, RecordBatches, and Datasets. There are some cases currently where these examples return all columns or throw errors.
> * {{transmute()}}
> * {{transmute(NULL)}}
> * {{transmute(x = NULL, y = NULL, z = NULL)}}
> * {{x = NULL}}
> {{transmute(x = !!x)}}
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