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Posted to dev@arrow.apache.org by "Ji Liu (JIRA)" <ji...@apache.org> on 2019/08/14 13:17:00 UTC

[jira] [Created] (ARROW-6234) [Java] ListVector hashCode() is not correct

Ji Liu created ARROW-6234:
-----------------------------

             Summary: [Java] ListVector hashCode() is not correct
                 Key: ARROW-6234
                 URL: https://issues.apache.org/jira/browse/ARROW-6234
             Project: Apache Arrow
          Issue Type: Bug
          Components: Java
            Reporter: Ji Liu
            Assignee: Ji Liu


Current implement is not correct:
{code:java}
for (int i = start; i < end; i++) {
  hash = 31 * vector.hashCode(i);
}
{code}
Should be something like:
{code:java}
hash = 31 * hash + vector.hashCode(i);{code}



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