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https://issues.apache.org/jira/browse/ARROW-2411?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16429638#comment-16429638
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ASF GitHub Bot commented on ARROW-2411:
---------------------------------------

kou commented on a change in pull request #1852: ARROW-2411: [C++] Add 
StringBuilder::Append(const char **values)
URL: https://github.com/apache/arrow/pull/1852#discussion_r179936463
 
 

 ##########
 File path: cpp/src/arrow/builder.h
 ##########
 @@ -720,6 +720,16 @@ class ARROW_EXPORT StringBuilder : public BinaryBuilder {
 
   Status Append(const std::vector<std::string>& values,
                 const uint8_t* valid_bytes = NULLPTR);
+
+  /// \brief Append a sequence of C strings in one shot
 
 Review comment:
   I'm using "C string" as "nul-terminated char *".
   
   I changed to use "nul-terminated char*" instead of "C string". It'll be more 
clearer.

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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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