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  1. Hive
  2. HIVE-14228

Better row count estimates for outer join during physical planning

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Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 1.2.0, 2.0.0, 2.1.0
    • 2.1.1, 2.2.0
    • Physical Optimizer
    • None

    Description

      Currently, row counts for all join types are estimated as if they are inner join. We need to update that logic to take into account different join types.

      Attachments

        1. HIVE-14228.patch
          19 kB
          Ashutosh Chauhan

        Activity

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            ashutoshc Ashutosh Chauhan
            ashutoshc Ashutosh Chauhan
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            Dates

              Created:
              Updated:
              Resolved: