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Posted to issues@arrow.apache.org by "Wes McKinney (JIRA)" <ji...@apache.org> on 2017/09/19 23:07:00 UTC

[jira] [Created] (ARROW-1573) [C++] Implement stateful kernel function that uses DictionaryBuilder to compute dictionary indices

Wes McKinney created ARROW-1573:
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             Summary: [C++] Implement stateful kernel function that uses DictionaryBuilder to compute dictionary indices
                 Key: ARROW-1573
                 URL: https://issues.apache.org/jira/browse/ARROW-1573
             Project: Apache Arrow
          Issue Type: New Feature
          Components: C++
            Reporter: Wes McKinney


An operator utilizing this kernel may need some way to indicate to multithreaded schedulers that it cannot be parallelized on chunked arrays (unless we implement a concurrent hash table)



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