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Posted to jira@arrow.apache.org by "Neal Richardson (Jira)" <ji...@apache.org> on 2021/05/13 15:49:00 UTC

[jira] [Resolved] (ARROW-12291) [R] Determine the type of an unevaluated expression

     [ https://issues.apache.org/jira/browse/ARROW-12291?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Neal Richardson resolved ARROW-12291.
-------------------------------------
    Fix Version/s: 5.0.0
       Resolution: Fixed

> [R] Determine the type of an unevaluated expression
> ---------------------------------------------------
>
>                 Key: ARROW-12291
>                 URL: https://issues.apache.org/jira/browse/ARROW-12291
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: R
>            Reporter: Ian Cook
>            Assignee: Neal Richardson
>            Priority: Major
>             Fix For: 5.0.0
>
>
> There would be several benefits to knowing the data type of an expression before its value has actually been computed. Probably the greatest benefit would be that other expressions could then behave dynamically based on the data types of their inputs. Consider how this capability might be implemented.



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