[jira] [Updated] (ARROW-14825) [C++] Temporal component extraction function for extracting epiyear

["David Li (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-14825?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

David Li updated ARROW-14825:
-----------------------------
    Labels: kernel  (was: )

> [C++] Temporal component extraction function for extracting epiyear
> -------------------------------------------------------------------
>
>                 Key: ARROW-14825
>                 URL: https://issues.apache.org/jira/browse/ARROW-14825
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: C++
>            Reporter: Nicola Crane
>            Priority: Minor
>              Labels: kernel
>
> We currently support {{epi_week()}} via the {{us_week}} kernel.  Can we support {{epi_year()}} too?
> epiyear in lubridate:
> https://github.com/tidyverse/lubridate/blob/10731d1876f8cb902f01f8edb2810a09ce5784a4/R/accessors-year.r#L48-L69
> I think this might be somewhat similar to MySQL's {{yearweek}}.  It doesn't seem to be implemented universally, e.g. I don't think it's a thing in Postgres
> If this isn't something desirable to implement at the C++ level, it's still possible to implement at the R level after a number of other temporal-related functions are implemented.



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