[jira] [Created] (ARROW-6672) [Java] Extract a common interface for dictionary builders

[Liya Fan (Jira)]

Liya Fan created ARROW-6672:
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             Summary: [Java] Extract a common interface for dictionary builders
                 Key: ARROW-6672
                 URL: https://issues.apache.org/jira/browse/ARROW-6672
             Project: Apache Arrow
          Issue Type: New Feature
          Components: Java
            Reporter: Liya Fan
            Assignee: Liya Fan


We need a common interface for dictionary builders to support more 
sophisticated scenarios, like collecting dictionary statistics.



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