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  1. Hive
  2. HIVE-11756

Avoid redundant key serialization in RS for distinct query

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Details

    • Improvement
    • Status: Patch Available
    • Trivial
    • Resolution: Unresolved
    • None
    • None
    • Query Processor
    • None

    Description

      Currently hive serializes twice to know the length of distribution key for distinct queries. This introduces IndexedSerializer to avoid this.

      Attachments

        1. HIVE-11756.4.patch.txt
          18 kB
          Navis Ryu
        2. HIVE-11756.3.patch.txt
          17 kB
          Navis Ryu
        3. HIVE-11756.2.patch.txt
          17 kB
          Navis Ryu
        4. HIVE-11756.1.patch.txt
          13 kB
          Navis Ryu

        Activity

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            Dates

              Created:
              Updated: