Ji Liu created ARROW-6464:
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             Summary: [Java] Refactor FixedSizeListVector#splitAndTransfer with 
slice API
                 Key: ARROW-6464
                 URL: https://issues.apache.org/jira/browse/ARROW-6464
             Project: Apache Arrow
          Issue Type: Bug
          Components: Java
            Reporter: Ji Liu
            Assignee: Ji Liu


Currently {{FixedSizeListVector#splitAndTransfer}} actually use 
{{copyValueSafe}} which has memory copy, we should use slice API instead.

Meanwhile, {{splitAndTransfer}} in all classes should position index check at 
beginning.



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