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  1. Apache Arrow
  2. ARROW-5981

[C++] DictionaryBuilder<T> initialization with Array can fail silently

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Details

    • Bug
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • 0.17.0
    • C++

    Description

      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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              apitrou Antoine Pitrou
              wesm Wes McKinney
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