[jira] [Created] (HIVE-18610) Performance: ListKeyWrapper does not check for hashcode equals, before comparing members

[Gopal V (JIRA)]

Gopal V created HIVE-18610:
------------------------------

             Summary: Performance: ListKeyWrapper does not check for hashcode 
equals, before comparing members
                 Key: HIVE-18610
                 URL: https://issues.apache.org/jira/browse/HIVE-18610
             Project: Hive
          Issue Type: Bug
            Reporter: Gopal V


ListKeyWrapper::equals() 

{code}
    @Override
    public boolean equals(Object obj) {
      if (!(obj instanceof ListKeyWrapper)) {
        return false;
      }
      Object[] copied_in_hashmap = ((ListKeyWrapper) obj).keys;
      return equalComparer.areEqual(copied_in_hashmap, keys);
    }
{code}





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