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Posted to dev@arrow.apache.org by "Wes McKinney (JIRA)" <ji...@apache.org> on 2019/07/18 21:32:00 UTC

[jira] [Created] (ARROW-5981) [C++] DictionaryBuilder initialization with Array can fail silently

Wes McKinney created ARROW-5981:
-----------------------------------

             Summary: [C++] DictionaryBuilder<T> initialization with Array can fail silently
                 Key: ARROW-5981
                 URL: https://issues.apache.org/jira/browse/ARROW-5981
             Project: Apache Arrow
          Issue Type: Bug
          Components: C++
            Reporter: Wes McKinney
             Fix For: 1.0.0


See

https://github.com/apache/arrow/blob/master/cpp/src/arrow/array/builder_dict.cc#L267

I think it would be better to expose {{InsertValues}} on {{DictionaryBuilder}} and initialize from a known dictionary that way



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