[jira] [Created] (ARROW-5198) [Java] Add hasNull flag to Vectors

[Yurui Zhou (JIRA)]

Yurui Zhou created ARROW-5198:
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             Summary: [Java] Add hasNull flag to Vectors
                 Key: ARROW-5198
                 URL: https://issues.apache.org/jira/browse/ARROW-5198
             Project: Apache Arrow
          Issue Type: Sub-task
          Components: Java
            Reporter: Yurui Zhou
            Assignee: Yurui Zhou


Add has null flag to Arrow Vector so that for vectors without any null, the 
null check process should be skipped.



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