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Posted to dev@hive.apache.org by "Alexander Pivovarov (JIRA)" <ji...@apache.org> on 2015/02/09 09:09:34 UTC

[jira] [Created] (HIVE-9619) Uninitialized read of numBitVectors in NumDistinctValueEstimator

Alexander Pivovarov created HIVE-9619:
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             Summary: Uninitialized read of numBitVectors in NumDistinctValueEstimator
                 Key: HIVE-9619
                 URL: https://issues.apache.org/jira/browse/HIVE-9619
             Project: Hive
          Issue Type: Bug
            Reporter: Alexander Pivovarov
            Assignee: Alexander Pivovarov
            Priority: Minor


{code}
  private int numBitVectors;

  // Refer to Flajolet-Martin'86 for the value of phi
  private final double phi =  0.77351;

  private int[] a;
  private int[] b;
  // Uninitialized read of numBitVectors
  private  FastBitSet[] bitVector = new FastBitSet[numBitVectors];
{code}



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