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  1. Hive
  2. HIVE-22120

Fix wrong results/ArrayOutOfBound exception in left outer map joins on specific boundary conditions

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    Description

      Vectorized version of left outer map join produces wrong results or encounters ArrayOutOfBound exception.

      The boundary conditions are:

      • The complete batch of the big table should have the join key repeated for all the join columns.
      • The complete batch of the big table should have not have a matched key value in the small table
      • The repeated value should not be a null value
      • Some rows should be filtered out as part of the on clause filter.

      Attachments

        1. HIVE-22120.1.patch
          90 kB
          Ramesh Kumar Thangarajan
        2. HIVE-22120.2.patch
          49 kB
          Ramesh Kumar Thangarajan
        3. HIVE-22120.3.patch
          49 kB
          Ramesh Kumar Thangarajan

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            rameshkumar Ramesh Kumar Thangarajan
            rameshkumar Ramesh Kumar Thangarajan
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              Created:
              Updated:
              Resolved: