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  1. Hive
  2. HIVE-7977

Avoid creating serde for partitions if possible in FetchTask

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Details

    • Improvement
    • Status: Resolved
    • Trivial
    • Resolution: Fixed
    • None
    • 1.1.0
    • Query Processor
    • None

    Description

      Currently, FetchTask creates SerDe instance thrice for each partition, which can be avoided if it's same with table SerDe.

      Attachments

        1. HIVE-7977.1.patch.txt
          38 kB
          Navis Ryu
        2. HIVE-7977.2.patch.txt
          41 kB
          Navis Ryu
        3. HIVE-7977.3.patch.txt
          43 kB
          Navis Ryu
        4. HIVE-7977.4.patch.txt
          62 kB
          Navis Ryu
        5. HIVE-7977.5.patch.txt
          61 kB
          Navis Ryu
        6. HIVE-7977.6.patch.txt
          61 kB
          Navis Ryu

        Issue Links

          blocks

          Improvement - An improvement or enhancement to an existing feature or task. HIVE-7978 Implement SplitSampler for parallel orderby

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Resolved
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            People

              navis Navis Ryu
              navis Navis Ryu
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              Dates

                Created:
                Updated:
                Resolved: