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  1. Hive
  2. HIVE-3432

perform a map-only group by if grouping key matches the sorting properties of the table

    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.10.0
    • Component/s: Query Processor
    • Labels:
      None

      Description

      There should be an option to use bucketizedinputformat and use map-only group by. There would be no need to perform a map-side aggregation.

        Attachments

        1. hive.3432.1.patch
          302 kB
          Namit Jain
        2. hive.3432.2.patch
          313 kB
          Namit Jain
        3. hive.3432.3.patch
          350 kB
          Namit Jain
        4. hive.3432.4.patch
          350 kB
          Namit Jain
        5. hive.3432.5.patch
          349 kB
          Namit Jain
        6. hive.3432.6.patch
          376 kB
          Namit Jain
        7. hive.3432.7.patch
          376 kB
          Namit Jain
        8. hive.3432.8.patch
          739 kB
          Namit Jain

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              • Assignee:
                namit Namit Jain
                Reporter:
                namit Namit Jain
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                Dates

                • Created:
                  Updated:
                  Resolved: