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  1. Hive
  2. HIVE-13936

Add streaming support for row_number

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • 2.2.0
    • Query Processor
    • None

    Description

      Without this support row_number will cause heap issues in reducers. Example query below against 10 million records will cause failure.

      select a, row_number() over (partition by a order by a desc) as row_num from j100mil;
      

      Same issue different function in JIRA HIVE-7062

      Attachments

        1. HIVE-13936.1.patch
          5 kB
          Yongzhi Chen

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              ychena Yongzhi Chen
              johndee Johndee Burks
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              Dates

                Created:
                Updated:
                Resolved: