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  1. Hive
  2. HIVE-9132 CBO: Calcite Operator To Hive Operator (Calcite Return Path)
  3. HIVE-11387

CBO: Calcite Operator To Hive Operator (Calcite Return Path) : fix reduce_deduplicate optimization

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Details

    • Sub-task
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • 1.3.0, 2.0.0
    • CBO
    • None

    Description

      The main problem is that, due to return path, now we may have (RS1-GBY2)-(RS3-GBY4) when map.aggr=false, i.e., no map aggr. However, in the non-return path, it will be treated as (RS1)-(GBY2-RS3-GBY4). The main problem is that it does not take into account of the setting.

      Attachments

        1. HIVE-11387.07.patch
          106 kB
          Pengcheng Xiong
        2. HIVE-11387.06.patch
          106 kB
          Pengcheng Xiong
        3. HIVE-11387.05.patch
          106 kB
          Pengcheng Xiong
        4. HIVE-11387.04.patch
          106 kB
          Pengcheng Xiong
        5. HIVE-11387.03.patch
          115 kB
          Pengcheng Xiong
        6. HIVE-11387.02.patch
          115 kB
          Pengcheng Xiong
        7. HIVE-11387.01.patch
          7 kB
          Pengcheng Xiong

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              pxiong Pengcheng Xiong
              pxiong Pengcheng Xiong
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              Dates

                Created:
                Updated:
                Resolved: