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Posted to dev@hive.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2014/06/27 20:04:24 UTC

[jira] [Created] (HIVE-7306) Ineffective null check in GenericUDAFAverage#GenericUDAFAverageEvaluatorDouble#getNextResult()

Ted Yu created HIVE-7306:
----------------------------

             Summary: Ineffective null check in GenericUDAFAverage#GenericUDAFAverageEvaluatorDouble#getNextResult()
                 Key: HIVE-7306
                 URL: https://issues.apache.org/jira/browse/HIVE-7306
             Project: Hive
          Issue Type: Bug
            Reporter: Ted Yu
            Priority: Minor


{code}
            Object[] o = ss.intermediateVals.remove(0);
            Double d = o == null ? 0.0 : (Double) o[0];
            r = r == null ? null : r - d;
            cnt = cnt - ((Long) o[1]);
{code}
Array o is accessed without null check in the last line above.



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