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  1. Hive
  2. HIVE-5588

change TopN to be an operator

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    • Task
    • Status: Resolved
    • Major
    • Resolution: Won't Fix
    • None
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    Description

      See HIVE-5503, as well as the discussion in HIVE-3562.
      If topN is a separate operator, it can be reused for file sink, and vectorized version can be implemented.

      Attachments

        1. HIVE-5588.patch
          70 kB
          Sergey Shelukhin

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          is related to

          Sub-task - The sub-task of the issue HIVE-5503 TopN optimization in VectorReduceSink

          • Major - Major loss of function.
          • Resolved

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              sershe Sergey Shelukhin
              sershe Sergey Shelukhin
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              Dates

                Created:
                Updated:
                Resolved: