[jira] [Created] (ARROW-1574) [C++] Implement kernel function that converts a dense array to dictionary given known dictionary

[Wes McKinney (JIRA)]

Wes McKinney created ARROW-1574:
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             Summary: [C++] Implement kernel function that converts a dense 
array to dictionary given known dictionary
                 Key: ARROW-1574
                 URL: https://issues.apache.org/jira/browse/ARROW-1574
             Project: Apache Arrow
          Issue Type: New Feature
          Components: C++
            Reporter: Wes McKinney


This may simply be a special case of cast using a dictionary type



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