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Posted to jira@arrow.apache.org by "Antoine Pitrou (Jira)" <ji...@apache.org> on 2021/02/22 16:44:00 UTC

[jira] [Assigned] (ARROW-11693) [C++] Add string length kernel

     [ https://issues.apache.org/jira/browse/ARROW-11693?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Antoine Pitrou reassigned ARROW-11693:
--------------------------------------

    Assignee: Antoine Pitrou

> [C++] Add string length kernel
> ------------------------------
>
>                 Key: ARROW-11693
>                 URL: https://issues.apache.org/jira/browse/ARROW-11693
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: C++
>            Reporter: Neal Richardson
>            Assignee: Antoine Pitrou
>            Priority: Major
>             Fix For: 4.0.0
>
>
> We have "binary_length" but that doesn't handle UTF-8 the way we need for this. Example (from R):
> {code}
> > string <- "áéíóú"
> > nchar(string)
> [1] 5
> > arrow:::call_function("binary_length", Scalar$create(string))
> Scalar
> 10
> {code}
> cc [~maartenbreddels] [~apitrou] [~jorisvandenbossche]



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