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https://issues.apache.org/jira/browse/ARROW-12709?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17342441#comment-17342441
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Joris Van den Bossche edited comment on ARROW-12709 at 5/11/21, 2:58 PM:
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>From the point of view of the kernel, what's the exact difference with
>ARROW-12710 and ARROW-10959 ? (in all cases I expect a signature of
>"list<string>, sep (optional) -> string" ?)
was (Author: jorisvandenbossche):
>From the point of view of the kernel, what's the exact difference with
>ARROW-12710 and ARROW-10959 ? (I all cases I expect a signature of
>"list<string>, sep (optional) -> string" ?)
> [C++] Add variadic string join kernel
> -------------------------------------
>
> Key: ARROW-12709
> URL: https://issues.apache.org/jira/browse/ARROW-12709
> Project: Apache Arrow
> Issue Type: New Feature
> Components: C++
> Reporter: Ian Cook
> Priority: Major
>
> Similar to SQL's {{concat}} and {{concat_ws}}. Should take 0, 1, 2, ...
> string arrays and an optional separator (default empty string) and
> concatenate them together, returning a string array. Should also accept
> scalar strings and recycle their values.
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