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Posted to dev@arrow.apache.org by "Wes McKinney (JIRA)" <ji...@apache.org> on 2019/05/15 22:07:00 UTC

[jira] [Created] (ARROW-5343) [C++] Consider using Buffer for transpose maps in DictionaryType::Unify instead of std::vector

Wes McKinney created ARROW-5343:
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             Summary: [C++] Consider using Buffer for transpose maps in DictionaryType::Unify instead of std::vector
                 Key: ARROW-5343
                 URL: https://issues.apache.org/jira/browse/ARROW-5343
             Project: Apache Arrow
          Issue Type: Improvement
          Components: C++
            Reporter: Wes McKinney


In the spirit of "track all the allocations", if dictionaries have non-trivial length, we may want to account for this memory more precisely. 



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