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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