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Posted to issues@arrow.apache.org by "Benjamin Kietzman (JIRA)" <ji...@apache.org> on 2019/02/27 19:26:00 UTC

[jira] [Created] (ARROW-4698) [C++] Let StringBuilder be constructible with a pre allocated buffer for character data

Benjamin Kietzman created ARROW-4698:
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             Summary: [C++] Let StringBuilder be constructible with a pre allocated buffer for character data
                 Key: ARROW-4698
                 URL: https://issues.apache.org/jira/browse/ARROW-4698
             Project: Apache Arrow
          Issue Type: New Feature
            Reporter: Benjamin Kietzman
            Assignee: Benjamin Kietzman


This is useful for example when an existing buffer can be immediately reused. This is currently used for [storage of strings in json parsing](https://github.com/apache/arrow/blob/master/cpp/src/arrow/json/parser.cc#L60), so it'd be straightforward to refactor into a constructor of StringBuilder.



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