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  1. Hive
  2. HIVE-4160 Vectorized Query Execution in Hive
  3. HIVE-4769

Vectorized ORC reader does not handle absence of column present stream correctly.

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Details

    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • vectorization-branch, 0.13.0
    • None
    • None

    Description

      If the present stream is not present for a column then by design all the rows are present for that column. Currently ORC vectorized reader does initialize the IsNull vector correctly in this case.

      Attachments

        1. Hive-4769.0.patch
          1 kB
          Sarvesh Sakalanaga

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            sarvesh.sn Sarvesh Sakalanaga
            sarvesh.sn Sarvesh Sakalanaga
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            Dates

              Created:
              Updated:
              Resolved: