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https://issues.apache.org/jira/browse/ARROW-13853?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17419937#comment-17419937
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Eduardo Ponce commented on ARROW-13853:
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Arrow string compute functions do not support a locale setting and use the
default POSIX locale which is "C".
Arrow provides UTF-8 variants of the string functions for localization
standardization.
Currently, only _strftime_ uses a locale option for formatting the resulting
string.
Localization would also need to be considered for kernels that use/change text
casing, compare strings, and format numbers.
> [R] String title case kernel
> ----------------------------
>
> Key: ARROW-13853
> URL: https://issues.apache.org/jira/browse/ARROW-13853
> Project: Apache Arrow
> Issue Type: New Feature
> Components: R
> Reporter: Neal Richardson
> Assignee: Eduardo Ponce
> Priority: Major
> Labels: kernel
> Fix For: 6.0.0
>
>
> ARROW-12714 added the kernel and a basic mapping, but we should add a test.
> Also the stringr function takes a "locale" argument which is not handled
> here; we should either pass it to Arrow C++ if it supports it (which I doubt)
> or error if a non-default value is provided in R.
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