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  1. Hive
  2. HIVE-5369 Annotate hive operator tree with statistics from metastore
  3. HIVE-7734

Join stats annotation rule is not updating columns statistics correctly

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Details

    • Sub-task
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 0.14.0
    • 0.14.0
    • Query Processor, Statistics
    • None

    Description

      HIVE-7679 is not doing the correct thing. The scale down/up factor updating column stats was wrong as ratio = newRowCount/oldRowCount is always infinite (oldRowCount = 0). The old row count should be retrieved from parent corresponding to the current column whose statistics is being updated.

      Attachments

        1. HIVE-7734.1.patch
          11 kB
          Prasanth Jayachandran
        2. HIVE-7734.2.patch
          11 kB
          Prasanth Jayachandran

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            prasanth_j Prasanth Jayachandran Assign to me
            prasanth_j Prasanth Jayachandran
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              Updated:
              Resolved:

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