Liya Fan created ARROW-6335:
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Summary: [Java] Improve the performance of DictionaryHashTable
Key: ARROW-6335
URL: https://issues.apache.org/jira/browse/ARROW-6335
Project: Apache Arrow
Issue Type: Improvement
Components: Java
Reporter: Liya Fan
Assignee: Liya Fan
when comparing two entries in the dictionary hash table, it is more efficient
to compare the index directly, rather than using Objects.equals, because they
are both ints.
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