ASF GitHub Bot commented on ARROW-2411:

kou opened a new pull request #1852: ARROW-2411: [C++] Add 
StringBuilder::Append(const char **values)
URL: https://github.com/apache/arrow/pull/1852
   This implementation uses not NULL-terminated C strings and the length of 
values instead of NULL-terminated C strings. Because other builder uses the 
interface such as `PrimitiveBuilder::Append()`.

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> [C++] Add method to append batches of null-terminated strings to StringBuilder
> ------------------------------------------------------------------------------
>                 Key: ARROW-2411
>                 URL: https://issues.apache.org/jira/browse/ARROW-2411
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++, GLib
>            Reporter: Uwe L. Korn
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 0.10.0
> We should add a method {{StringBuilder::AppendCStrings(const char** values, 
> const uint8_t* valid_bytes = NULLPTR)}} to the {{StringBuilder}} class to 
> have fast inserts for these strings. See 
> https://github.com/apache/arrow/pull/1845/files for a use case.

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